1820909200

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{421}}^1\times {\mathrm{983}}^1$

素因数の和:1433

約数の個数: 120

約数和(自身を含む): 4788639936

約数和(自身を除く): 2967730736

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 44, 50, 55, 80, 88, 100, 110, 176, 200, 220, 275, 400, 421, 440, 550, 842, 880, 983, 1100, 1684, 1966, 2105, 2200, 3368, 3932, 4210, 4400, 4631, 4915, 6736, 7864, 8420, 9262, 9830, 10525, 10813, 15728, 16840, 18524, 19660, 21050, 21626, 23155, 24575, 33680, 37048, 39320, 42100, 43252, 46310, 49150, 54065, 74096, 78640, 84200, 86504, 92620, 98300, 108130, 115775, 168400, 173008, 185240, 196600, 216260, 231550, 270325, 370480, 393200, 413843, 432520, 463100, 540650, 827686, 865040, 926200, 1081300, 1655372, 1852400, 2069215, 2162600, 3310744, 4138430, 4325200, 4552273, 6621488, 8276860, 9104546, 10346075, 16553720, 18209092, 20692150, 22761365, 33107440, 36418184, 41384300, 45522730, 72836368, 82768600, 91045460, 113806825, 165537200, 182090920, 227613650, 364181840, 455227300, 910454600, 1820909200]

約数ペア:

[(1, 1820909200), (2, 910454600), (4, 455227300), (5, 364181840), (8, 227613650), (10, 182090920), (11, 165537200), (16, 113806825), (20, 91045460), (22, 82768600), (25, 72836368), (40, 45522730), (44, 41384300), (50, 36418184), (55, 33107440), (80, 22761365), (88, 20692150), (100, 18209092), (110, 16553720), (176, 10346075), (200, 9104546), (220, 8276860), (275, 6621488), (400, 4552273), (421, 4325200), (440, 4138430), (550, 3310744), (842, 2162600), (880, 2069215), (983, 1852400), (1100, 1655372), (1684, 1081300), (1966, 926200), (2105, 865040), (2200, 827686), (3368, 540650), (3932, 463100), (4210, 432520), (4400, 413843), (4631, 393200), (4915, 370480), (6736, 270325), (7864, 231550), (8420, 216260), (9262, 196600), (9830, 185240), (10525, 173008), (10813, 168400), (15728, 115775), (16840, 108130), (18524, 98300), (19660, 92620), (21050, 86504), (21626, 84200), (23155, 78640), (24575, 74096), (33680, 54065), (37048, 49150), (39320, 46310), (42100, 43252)]