1490893600

素因数分解:

$2^5\times 5^2\times 7^2\times {\mathrm{73}}^1\times {\mathrm{521}}^1$

素因数の和:628

約数の個数: 216

約数和(自身を含む): 4300107588

約数和(自身を除く): 2809213988

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 49, 50, 56, 70, 73, 80, 98, 100, 112, 140, 146, 160, 175, 196, 200, 224, 245, 280, 292, 350, 365, 392, 400, 490, 511, 521, 560, 584, 700, 730, 784, 800, 980, 1022, 1042, 1120, 1168, 1225, 1400, 1460, 1568, 1825, 1960, 2044, 2084, 2336, 2450, 2555, 2605, 2800, 2920, 3577, 3647, 3650, 3920, 4088, 4168, 4900, 5110, 5210, 5600, 5840, 7154, 7294, 7300, 7840, 8176, 8336, 9800, 10220, 10420, 11680, 12775, 13025, 14308, 14588, 14600, 16352, 16672, 17885, 18235, 19600, 20440, 20840, 25529, 25550, 26050, 28616, 29176, 29200, 35770, 36470, 38033, 39200, 40880, 41680, 51058, 51100, 52100, 57232, 58352, 58400, 71540, 72940, 76066, 81760, 83360, 89425, 91175, 102116, 102200, 104200, 114464, 116704, 127645, 143080, 145880, 152132, 178850, 182350, 190165, 204232, 204400, 208400, 255290, 266231, 286160, 291760, 304264, 357700, 364700, 380330, 408464, 408800, 416800, 510580, 532462, 572320, 583520, 608528, 638225, 715400, 729400, 760660, 816928, 950825, 1021160, 1064924, 1217056, 1276450, 1331155, 1430800, 1458800, 1521320, 1863617, 1901650, 2042320, 2129848, 2552900, 2662310, 2861600, 2917600, 3042640, 3727234, 3803300, 4084640, 4259696, 5105800, 5324620, 6085280, 6655775, 7454468, 7606600, 8519392, 9318085, 10211600, 10649240, 13311550, 14908936, 15213200, 18636170, 20423200, 21298480, 26623100, 29817872, 30426400, 37272340, 42596960, 46590425, 53246200, 59635744, 74544680, 93180850, 106492400, 149089360, 186361700, 212984800, 298178720, 372723400, 745446800, 1490893600]

約数ペア:

[(1, 1490893600), (2, 745446800), (4, 372723400), (5, 298178720), (7, 212984800), (8, 186361700), (10, 149089360), (14, 106492400), (16, 93180850), (20, 74544680), (25, 59635744), (28, 53246200), (32, 46590425), (35, 42596960), (40, 37272340), (49, 30426400), (50, 29817872), (56, 26623100), (70, 21298480), (73, 20423200), (80, 18636170), (98, 15213200), (100, 14908936), (112, 13311550), (140, 10649240), (146, 10211600), (160, 9318085), (175, 8519392), (196, 7606600), (200, 7454468), (224, 6655775), (245, 6085280), (280, 5324620), (292, 5105800), (350, 4259696), (365, 4084640), (392, 3803300), (400, 3727234), (490, 3042640), (511, 2917600), (521, 2861600), (560, 2662310), (584, 2552900), (700, 2129848), (730, 2042320), (784, 1901650), (800, 1863617), (980, 1521320), (1022, 1458800), (1042, 1430800), (1120, 1331155), (1168, 1276450), (1225, 1217056), (1400, 1064924), (1460, 1021160), (1568, 950825), (1825, 816928), (1960, 760660), (2044, 729400), (2084, 715400), (2336, 638225), (2450, 608528), (2555, 583520), (2605, 572320), (2800, 532462), (2920, 510580), (3577, 416800), (3647, 408800), (3650, 408464), (3920, 380330), (4088, 364700), (4168, 357700), (4900, 304264), (5110, 291760), (5210, 286160), (5600, 266231), (5840, 255290), (7154, 208400), (7294, 204400), (7300, 204232), (7840, 190165), (8176, 182350), (8336, 178850), (9800, 152132), (10220, 145880), (10420, 143080), (11680, 127645), (12775, 116704), (13025, 114464), (14308, 104200), (14588, 102200), (14600, 102116), (16352, 91175), (16672, 89425), (17885, 83360), (18235, 81760), (19600, 76066), (20440, 72940), (20840, 71540), (25529, 58400), (25550, 58352), (26050, 57232), (28616, 52100), (29176, 51100), (29200, 51058), (35770, 41680), (36470, 40880), (38033, 39200)]