1874604875

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1$

素因数の和:286

約数の個数: 128

約数和(自身を含む): 3019161600

約数和(自身を除く): 1144556725

約数列:

[1, 5, 11, 13, 17, 25, 31, 55, 65, 85, 125, 143, 155, 187, 199, 221, 275, 325, 341, 403, 425, 527, 715, 775, 935, 995, 1105, 1375, 1625, 1705, 2015, 2125, 2189, 2431, 2587, 2635, 3383, 3575, 3875, 4433, 4675, 4975, 5525, 5797, 6169, 6851, 8525, 10075, 10945, 12155, 12935, 13175, 16915, 17875, 22165, 23375, 24875, 27625, 28457, 28985, 30845, 34255, 37213, 42625, 43979, 50375, 54725, 60775, 64675, 65875, 67859, 75361, 80197, 84575, 104873, 110825, 142285, 144925, 154225, 171275, 186065, 219895, 273625, 303875, 323375, 339295, 376805, 400985, 422875, 483769, 524365, 554125, 711425, 724625, 771125, 856375, 882167, 930325, 1099475, 1153603, 1363349, 1696475, 1884025, 2004925, 2418845, 2621825, 3557125, 4410835, 4651625, 5497375, 5768015, 6816745, 8482375, 9420125, 10024625, 12094225, 13109125, 14996839, 22054175, 28840075, 34083725, 60471125, 74984195, 110270875, 144200375, 170418625, 374920975, 1874604875]

約数ペア:

[(1, 1874604875), (5, 374920975), (11, 170418625), (13, 144200375), (17, 110270875), (25, 74984195), (31, 60471125), (55, 34083725), (65, 28840075), (85, 22054175), (125, 14996839), (143, 13109125), (155, 12094225), (187, 10024625), (199, 9420125), (221, 8482375), (275, 6816745), (325, 5768015), (341, 5497375), (403, 4651625), (425, 4410835), (527, 3557125), (715, 2621825), (775, 2418845), (935, 2004925), (995, 1884025), (1105, 1696475), (1375, 1363349), (1625, 1153603), (1705, 1099475), (2015, 930325), (2125, 882167), (2189, 856375), (2431, 771125), (2587, 724625), (2635, 711425), (3383, 554125), (3575, 524365), (3875, 483769), (4433, 422875), (4675, 400985), (4975, 376805), (5525, 339295), (5797, 323375), (6169, 303875), (6851, 273625), (8525, 219895), (10075, 186065), (10945, 171275), (12155, 154225), (12935, 144925), (13175, 142285), (16915, 110825), (17875, 104873), (22165, 84575), (23375, 80197), (24875, 75361), (27625, 67859), (28457, 65875), (28985, 64675), (30845, 60775), (34255, 54725), (37213, 50375), (42625, 43979)]