210869820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{1657}}^1$

素因数の和:1780

約数の個数: 144

約数和(自身を含む): 738698688

約数和(自身を除く): 527828868

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 101, 105, 126, 140, 180, 202, 210, 252, 303, 315, 404, 420, 505, 606, 630, 707, 909, 1010, 1212, 1260, 1414, 1515, 1657, 1818, 2020, 2121, 2828, 3030, 3314, 3535, 3636, 4242, 4545, 4971, 6060, 6363, 6628, 7070, 8285, 8484, 9090, 9942, 10605, 11599, 12726, 14140, 14913, 16570, 18180, 19884, 21210, 23198, 24855, 25452, 29826, 31815, 33140, 34797, 42420, 46396, 49710, 57995, 59652, 63630, 69594, 74565, 99420, 104391, 115990, 127260, 139188, 149130, 167357, 173985, 208782, 231980, 298260, 334714, 347970, 417564, 502071, 521955, 669428, 695940, 836785, 1004142, 1043910, 1171499, 1506213, 1673570, 2008284, 2087820, 2342998, 2510355, 3012426, 3347140, 3514497, 4685996, 5020710, 5857495, 6024852, 7028994, 7531065, 10041420, 10543491, 11714990, 14057988, 15062130, 17572485, 21086982, 23429980, 30124260, 35144970, 42173964, 52717455, 70289940, 105434910, 210869820]

約数ペア:

[(1, 210869820), (2, 105434910), (3, 70289940), (4, 52717455), (5, 42173964), (6, 35144970), (7, 30124260), (9, 23429980), (10, 21086982), (12, 17572485), (14, 15062130), (15, 14057988), (18, 11714990), (20, 10543491), (21, 10041420), (28, 7531065), (30, 7028994), (35, 6024852), (36, 5857495), (42, 5020710), (45, 4685996), (60, 3514497), (63, 3347140), (70, 3012426), (84, 2510355), (90, 2342998), (101, 2087820), (105, 2008284), (126, 1673570), (140, 1506213), (180, 1171499), (202, 1043910), (210, 1004142), (252, 836785), (303, 695940), (315, 669428), (404, 521955), (420, 502071), (505, 417564), (606, 347970), (630, 334714), (707, 298260), (909, 231980), (1010, 208782), (1212, 173985), (1260, 167357), (1414, 149130), (1515, 139188), (1657, 127260), (1818, 115990), (2020, 104391), (2121, 99420), (2828, 74565), (3030, 69594), (3314, 63630), (3535, 59652), (3636, 57995), (4242, 49710), (4545, 46396), (4971, 42420), (6060, 34797), (6363, 33140), (6628, 31815), (7070, 29826), (8285, 25452), (8484, 24855), (9090, 23198), (9942, 21210), (10605, 19884), (11599, 18180), (12726, 16570), (14140, 14913)]