211678430

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{821}}^1$

素因数の和:929

約数の個数: 64

約数和(自身を含む): 426124800

約数和(自身を除く): 214446370

約数列:

[1, 2, 5, 10, 19, 23, 38, 46, 59, 95, 115, 118, 190, 230, 295, 437, 590, 821, 874, 1121, 1357, 1642, 2185, 2242, 2714, 4105, 4370, 5605, 6785, 8210, 11210, 13570, 15599, 18883, 25783, 31198, 37766, 48439, 51566, 77995, 94415, 96878, 128915, 155990, 188830, 242195, 257830, 358777, 484390, 717554, 920341, 1114097, 1793885, 1840682, 2228194, 3587770, 4601705, 5570485, 9203410, 11140970, 21167843, 42335686, 105839215, 211678430]

約数ペア:

[(1, 211678430), (2, 105839215), (5, 42335686), (10, 21167843), (19, 11140970), (23, 9203410), (38, 5570485), (46, 4601705), (59, 3587770), (95, 2228194), (115, 1840682), (118, 1793885), (190, 1114097), (230, 920341), (295, 717554), (437, 484390), (590, 358777), (821, 257830), (874, 242195), (1121, 188830), (1357, 155990), (1642, 128915), (2185, 96878), (2242, 94415), (2714, 77995), (4105, 51566), (4370, 48439), (5605, 37766), (6785, 31198), (8210, 25783), (11210, 18883), (13570, 15599)]