8889403060

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{1553}}^1$

素因数の和:1801

約数の個数: 96

約数和(自身を含む): 19737043200

約数和(自身を除く): 10847640140

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 71, 116, 139, 142, 145, 278, 284, 290, 355, 556, 580, 695, 710, 1390, 1420, 1553, 2059, 2780, 3106, 4031, 4118, 6212, 7765, 8062, 8236, 9869, 10295, 15530, 16124, 19738, 20155, 20590, 31060, 39476, 40310, 41180, 45037, 49345, 80620, 90074, 98690, 110263, 180148, 197380, 215867, 220526, 225185, 286201, 431734, 441052, 450370, 551315, 572402, 863468, 900740, 1079335, 1102630, 1144804, 1431005, 2158670, 2205260, 2862010, 3197627, 4317340, 5724020, 6260143, 6395254, 12520286, 12790508, 15326557, 15988135, 25040572, 30653114, 31300715, 31976270, 61306228, 62601430, 63952540, 76632785, 125202860, 153265570, 306531140, 444470153, 888940306, 1777880612, 2222350765, 4444701530, 8889403060]

約数ペア:

[(1, 8889403060), (2, 4444701530), (4, 2222350765), (5, 1777880612), (10, 888940306), (20, 444470153), (29, 306531140), (58, 153265570), (71, 125202860), (116, 76632785), (139, 63952540), (142, 62601430), (145, 61306228), (278, 31976270), (284, 31300715), (290, 30653114), (355, 25040572), (556, 15988135), (580, 15326557), (695, 12790508), (710, 12520286), (1390, 6395254), (1420, 6260143), (1553, 5724020), (2059, 4317340), (2780, 3197627), (3106, 2862010), (4031, 2205260), (4118, 2158670), (6212, 1431005), (7765, 1144804), (8062, 1102630), (8236, 1079335), (9869, 900740), (10295, 863468), (15530, 572402), (16124, 551315), (19738, 450370), (20155, 441052), (20590, 431734), (31060, 286201), (39476, 225185), (40310, 220526), (41180, 215867), (45037, 197380), (49345, 180148), (80620, 110263), (90074, 98690)]