388351320

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{20101}}^1$

素因数の和:20145

約数の個数: 128

約数和(自身を含む): 1389450240

約数和(自身を除く): 1001098920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 23, 24, 28, 30, 35, 40, 42, 46, 56, 60, 69, 70, 84, 92, 105, 115, 120, 138, 140, 161, 168, 184, 210, 230, 276, 280, 322, 345, 420, 460, 483, 552, 644, 690, 805, 840, 920, 966, 1288, 1380, 1610, 1932, 2415, 2760, 3220, 3864, 4830, 6440, 9660, 19320, 20101, 40202, 60303, 80404, 100505, 120606, 140707, 160808, 201010, 241212, 281414, 301515, 402020, 422121, 462323, 482424, 562828, 603030, 703535, 804040, 844242, 924646, 1125656, 1206060, 1386969, 1407070, 1688484, 1849292, 2110605, 2311615, 2412120, 2773938, 2814140, 3236261, 3376968, 3698584, 4221210, 4623230, 5547876, 5628280, 6472522, 6934845, 8442420, 9246460, 9708783, 11095752, 12945044, 13869690, 16181305, 16884840, 18492920, 19417566, 25890088, 27739380, 32362610, 38835132, 48543915, 55478760, 64725220, 77670264, 97087830, 129450440, 194175660, 388351320]

約数ペア:

[(1, 388351320), (2, 194175660), (3, 129450440), (4, 97087830), (5, 77670264), (6, 64725220), (7, 55478760), (8, 48543915), (10, 38835132), (12, 32362610), (14, 27739380), (15, 25890088), (20, 19417566), (21, 18492920), (23, 16884840), (24, 16181305), (28, 13869690), (30, 12945044), (35, 11095752), (40, 9708783), (42, 9246460), (46, 8442420), (56, 6934845), (60, 6472522), (69, 5628280), (70, 5547876), (84, 4623230), (92, 4221210), (105, 3698584), (115, 3376968), (120, 3236261), (138, 2814140), (140, 2773938), (161, 2412120), (168, 2311615), (184, 2110605), (210, 1849292), (230, 1688484), (276, 1407070), (280, 1386969), (322, 1206060), (345, 1125656), (420, 924646), (460, 844242), (483, 804040), (552, 703535), (644, 603030), (690, 562828), (805, 482424), (840, 462323), (920, 422121), (966, 402020), (1288, 301515), (1380, 281414), (1610, 241212), (1932, 201010), (2415, 160808), (2760, 140707), (3220, 120606), (3864, 100505), (4830, 80404), (6440, 60303), (9660, 40202), (19320, 20101)]