28879600

素因数分解:

$2^4\times 5^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1$

素因数の和:203

約数の個数: 120

約数和(自身を含む): 76387968

約数和(自身を除く): 47508368

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 31, 34, 40, 50, 62, 68, 80, 85, 100, 124, 136, 137, 155, 170, 200, 248, 272, 274, 310, 340, 400, 425, 496, 527, 548, 620, 680, 685, 775, 850, 1054, 1096, 1240, 1360, 1370, 1550, 1700, 2108, 2192, 2329, 2480, 2635, 2740, 3100, 3400, 3425, 4216, 4247, 4658, 5270, 5480, 6200, 6800, 6850, 8432, 8494, 9316, 10540, 10960, 11645, 12400, 13175, 13700, 16988, 18632, 21080, 21235, 23290, 26350, 27400, 33976, 37264, 42160, 42470, 46580, 52700, 54800, 58225, 67952, 72199, 84940, 93160, 105400, 106175, 116450, 144398, 169880, 186320, 210800, 212350, 232900, 288796, 339760, 360995, 424700, 465800, 577592, 721990, 849400, 931600, 1155184, 1443980, 1698800, 1804975, 2887960, 3609950, 5775920, 7219900, 14439800, 28879600]

約数ペア:

[(1, 28879600), (2, 14439800), (4, 7219900), (5, 5775920), (8, 3609950), (10, 2887960), (16, 1804975), (17, 1698800), (20, 1443980), (25, 1155184), (31, 931600), (34, 849400), (40, 721990), (50, 577592), (62, 465800), (68, 424700), (80, 360995), (85, 339760), (100, 288796), (124, 232900), (136, 212350), (137, 210800), (155, 186320), (170, 169880), (200, 144398), (248, 116450), (272, 106175), (274, 105400), (310, 93160), (340, 84940), (400, 72199), (425, 67952), (496, 58225), (527, 54800), (548, 52700), (620, 46580), (680, 42470), (685, 42160), (775, 37264), (850, 33976), (1054, 27400), (1096, 26350), (1240, 23290), (1360, 21235), (1370, 21080), (1550, 18632), (1700, 16988), (2108, 13700), (2192, 13175), (2329, 12400), (2480, 11645), (2635, 10960), (2740, 10540), (3100, 9316), (3400, 8494), (3425, 8432), (4216, 6850), (4247, 6800), (4658, 6200), (5270, 5480)]