204966110

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:186

約数の個数: 128

約数和(自身を含む): 447897600

約数和(自身を除く): 242931490

約数列:

[1, 2, 5, 10, 17, 19, 23, 31, 34, 38, 46, 62, 85, 89, 95, 115, 155, 170, 178, 190, 230, 310, 323, 391, 437, 445, 527, 589, 646, 713, 782, 874, 890, 1054, 1178, 1426, 1513, 1615, 1691, 1955, 2047, 2185, 2635, 2759, 2945, 3026, 3230, 3382, 3565, 3910, 4094, 4370, 5270, 5518, 5890, 7130, 7429, 7565, 8455, 10013, 10235, 12121, 13547, 13795, 14858, 15130, 16910, 20026, 20470, 24242, 27094, 27590, 28747, 34799, 37145, 38893, 46903, 50065, 52421, 57494, 60605, 63457, 67735, 69598, 74290, 77786, 93806, 100130, 104842, 121210, 126914, 135470, 143735, 173995, 194465, 230299, 234515, 262105, 287470, 317285, 347990, 388930, 460598, 469030, 524210, 634570, 661181, 891157, 1078769, 1151495, 1205683, 1322362, 1782314, 2157538, 2302990, 2411366, 3305905, 4455785, 5393845, 6028415, 6611810, 8911570, 10787690, 12056830, 20496611, 40993222, 102483055, 204966110]

約数ペア:

[(1, 204966110), (2, 102483055), (5, 40993222), (10, 20496611), (17, 12056830), (19, 10787690), (23, 8911570), (31, 6611810), (34, 6028415), (38, 5393845), (46, 4455785), (62, 3305905), (85, 2411366), (89, 2302990), (95, 2157538), (115, 1782314), (155, 1322362), (170, 1205683), (178, 1151495), (190, 1078769), (230, 891157), (310, 661181), (323, 634570), (391, 524210), (437, 469030), (445, 460598), (527, 388930), (589, 347990), (646, 317285), (713, 287470), (782, 262105), (874, 234515), (890, 230299), (1054, 194465), (1178, 173995), (1426, 143735), (1513, 135470), (1615, 126914), (1691, 121210), (1955, 104842), (2047, 100130), (2185, 93806), (2635, 77786), (2759, 74290), (2945, 69598), (3026, 67735), (3230, 63457), (3382, 60605), (3565, 57494), (3910, 52421), (4094, 50065), (4370, 46903), (5270, 38893), (5518, 37145), (5890, 34799), (7130, 28747), (7429, 27590), (7565, 27094), (8455, 24242), (10013, 20470), (10235, 20026), (12121, 16910), (13547, 15130), (13795, 14858)]