213399420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{1997}}^1$

素因数の和:2159

約数の個数: 96

約数和(自身を含む): 648502848

約数和(自身を除く): 435103428

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 137, 156, 195, 260, 274, 390, 411, 548, 685, 780, 822, 1370, 1644, 1781, 1997, 2055, 2740, 3562, 3994, 4110, 5343, 5991, 7124, 7988, 8220, 8905, 9985, 10686, 11982, 17810, 19970, 21372, 23964, 25961, 26715, 29955, 35620, 39940, 51922, 53430, 59910, 77883, 103844, 106860, 119820, 129805, 155766, 259610, 273589, 311532, 389415, 519220, 547178, 778830, 820767, 1094356, 1367945, 1557660, 1641534, 2735890, 3283068, 3556657, 4103835, 5471780, 7113314, 8207670, 10669971, 14226628, 16415340, 17783285, 21339942, 35566570, 42679884, 53349855, 71133140, 106699710, 213399420]

約数ペア:

[(1, 213399420), (2, 106699710), (3, 71133140), (4, 53349855), (5, 42679884), (6, 35566570), (10, 21339942), (12, 17783285), (13, 16415340), (15, 14226628), (20, 10669971), (26, 8207670), (30, 7113314), (39, 5471780), (52, 4103835), (60, 3556657), (65, 3283068), (78, 2735890), (130, 1641534), (137, 1557660), (156, 1367945), (195, 1094356), (260, 820767), (274, 778830), (390, 547178), (411, 519220), (548, 389415), (685, 311532), (780, 273589), (822, 259610), (1370, 155766), (1644, 129805), (1781, 119820), (1997, 106860), (2055, 103844), (2740, 77883), (3562, 59910), (3994, 53430), (4110, 51922), (5343, 39940), (5991, 35620), (7124, 29955), (7988, 26715), (8220, 25961), (8905, 23964), (9985, 21372), (10686, 19970), (11982, 17810)]