201099990

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3877}}^1$

素因数の和:3926

約数の個数: 128

約数和(自身を含む): 625443840

約数和(自身を除く): 424343850

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 19, 21, 26, 30, 35, 38, 39, 42, 57, 65, 70, 78, 91, 95, 105, 114, 130, 133, 182, 190, 195, 210, 247, 266, 273, 285, 390, 399, 455, 494, 546, 570, 665, 741, 798, 910, 1235, 1330, 1365, 1482, 1729, 1995, 2470, 2730, 3458, 3705, 3877, 3990, 5187, 7410, 7754, 8645, 10374, 11631, 17290, 19385, 23262, 25935, 27139, 38770, 50401, 51870, 54278, 58155, 73663, 81417, 100802, 116310, 135695, 147326, 151203, 162834, 220989, 252005, 271390, 302406, 352807, 368315, 407085, 441978, 504010, 515641, 705614, 736630, 756015, 814170, 957619, 1031282, 1058421, 1104945, 1512030, 1546923, 1764035, 1915238, 2116842, 2209890, 2578205, 2872857, 3093846, 3528070, 4788095, 5156410, 5292105, 5745714, 6703333, 7734615, 9576190, 10584210, 13406666, 14364285, 15469230, 20109999, 28728570, 33516665, 40219998, 67033330, 100549995, 201099990]

約数ペア:

[(1, 201099990), (2, 100549995), (3, 67033330), (5, 40219998), (6, 33516665), (7, 28728570), (10, 20109999), (13, 15469230), (14, 14364285), (15, 13406666), (19, 10584210), (21, 9576190), (26, 7734615), (30, 6703333), (35, 5745714), (38, 5292105), (39, 5156410), (42, 4788095), (57, 3528070), (65, 3093846), (70, 2872857), (78, 2578205), (91, 2209890), (95, 2116842), (105, 1915238), (114, 1764035), (130, 1546923), (133, 1512030), (182, 1104945), (190, 1058421), (195, 1031282), (210, 957619), (247, 814170), (266, 756015), (273, 736630), (285, 705614), (390, 515641), (399, 504010), (455, 441978), (494, 407085), (546, 368315), (570, 352807), (665, 302406), (741, 271390), (798, 252005), (910, 220989), (1235, 162834), (1330, 151203), (1365, 147326), (1482, 135695), (1729, 116310), (1995, 100802), (2470, 81417), (2730, 73663), (3458, 58155), (3705, 54278), (3877, 51870), (3990, 50401), (5187, 38770), (7410, 27139), (7754, 25935), (8645, 23262), (10374, 19385), (11631, 17290)]