78194200

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{79}}^1\times {\mathrm{101}}^1$

素因数の和:210

約数の個数: 144

約数和(自身を含む): 216280800

約数和(自身を除く): 138086600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 49, 50, 56, 70, 79, 98, 100, 101, 140, 158, 175, 196, 200, 202, 245, 280, 316, 350, 392, 395, 404, 490, 505, 553, 632, 700, 707, 790, 808, 980, 1010, 1106, 1225, 1400, 1414, 1580, 1960, 1975, 2020, 2212, 2450, 2525, 2765, 2828, 3160, 3535, 3871, 3950, 4040, 4424, 4900, 4949, 5050, 5530, 5656, 7070, 7742, 7900, 7979, 9800, 9898, 10100, 11060, 13825, 14140, 15484, 15800, 15958, 17675, 19355, 19796, 20200, 22120, 24745, 27650, 28280, 30968, 31916, 35350, 38710, 39592, 39895, 49490, 55300, 55853, 63832, 70700, 77420, 79790, 96775, 98980, 110600, 111706, 123725, 141400, 154840, 159580, 193550, 197960, 199475, 223412, 247450, 279265, 319160, 387100, 390971, 398950, 446824, 494900, 558530, 774200, 781942, 797900, 989800, 1117060, 1396325, 1563884, 1595800, 1954855, 2234120, 2792650, 3127768, 3909710, 5585300, 7819420, 9774275, 11170600, 15638840, 19548550, 39097100, 78194200]

約数ペア:

[(1, 78194200), (2, 39097100), (4, 19548550), (5, 15638840), (7, 11170600), (8, 9774275), (10, 7819420), (14, 5585300), (20, 3909710), (25, 3127768), (28, 2792650), (35, 2234120), (40, 1954855), (49, 1595800), (50, 1563884), (56, 1396325), (70, 1117060), (79, 989800), (98, 797900), (100, 781942), (101, 774200), (140, 558530), (158, 494900), (175, 446824), (196, 398950), (200, 390971), (202, 387100), (245, 319160), (280, 279265), (316, 247450), (350, 223412), (392, 199475), (395, 197960), (404, 193550), (490, 159580), (505, 154840), (553, 141400), (632, 123725), (700, 111706), (707, 110600), (790, 98980), (808, 96775), (980, 79790), (1010, 77420), (1106, 70700), (1225, 63832), (1400, 55853), (1414, 55300), (1580, 49490), (1960, 39895), (1975, 39592), (2020, 38710), (2212, 35350), (2450, 31916), (2525, 30968), (2765, 28280), (2828, 27650), (3160, 24745), (3535, 22120), (3871, 20200), (3950, 19796), (4040, 19355), (4424, 17675), (4900, 15958), (4949, 15800), (5050, 15484), (5530, 14140), (5656, 13825), (7070, 11060), (7742, 10100), (7900, 9898), (7979, 9800)]