408129215980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{48463}}^1$

素因数の和:48584

約数の個数: 144

約数和(自身を含む): 959838437376

約数和(自身を除く): 551709221396

約数列:

[1, 2, 4, 5, 10, 17, 20, 31, 34, 47, 62, 68, 85, 94, 124, 155, 170, 188, 235, 289, 310, 340, 470, 527, 578, 620, 799, 940, 1054, 1156, 1445, 1457, 1598, 2108, 2635, 2890, 2914, 3196, 3995, 5270, 5780, 5828, 7285, 7990, 8959, 10540, 13583, 14570, 15980, 17918, 24769, 27166, 29140, 35836, 44795, 48463, 49538, 54332, 67915, 89590, 96926, 99076, 123845, 135830, 179180, 193852, 242315, 247690, 271660, 421073, 484630, 495380, 823871, 842146, 969260, 1502353, 1647742, 1684292, 2105365, 2277761, 3004706, 3295484, 4119355, 4210730, 4555522, 6009412, 7511765, 8238710, 8421460, 9111044, 11388805, 14005807, 15023530, 16477420, 22777610, 25540001, 28011614, 30047060, 38721937, 45555220, 51080002, 56023228, 70029035, 70610591, 77443874, 102160004, 127700005, 140058070, 141221182, 154887748, 193609685, 255400010, 280116140, 282442364, 353052955, 387219370, 434180017, 510800020, 658272929, 706105910, 774438740, 868360034, 1200380047, 1316545858, 1412211820, 1736720068, 2170900085, 2400760094, 2633091716, 3291364645, 4341800170, 4801520188, 6001900235, 6582729290, 8683600340, 12003800470, 13165458580, 20406460799, 24007600940, 40812921598, 81625843196, 102032303995, 204064607990, 408129215980]

約数ペア:

[(1, 408129215980), (2, 204064607990), (4, 102032303995), (5, 81625843196), (10, 40812921598), (17, 24007600940), (20, 20406460799), (31, 13165458580), (34, 12003800470), (47, 8683600340), (62, 6582729290), (68, 6001900235), (85, 4801520188), (94, 4341800170), (124, 3291364645), (155, 2633091716), (170, 2400760094), (188, 2170900085), (235, 1736720068), (289, 1412211820), (310, 1316545858), (340, 1200380047), (470, 868360034), (527, 774438740), (578, 706105910), (620, 658272929), (799, 510800020), (940, 434180017), (1054, 387219370), (1156, 353052955), (1445, 282442364), (1457, 280116140), (1598, 255400010), (2108, 193609685), (2635, 154887748), (2890, 141221182), (2914, 140058070), (3196, 127700005), (3995, 102160004), (5270, 77443874), (5780, 70610591), (5828, 70029035), (7285, 56023228), (7990, 51080002), (8959, 45555220), (10540, 38721937), (13583, 30047060), (14570, 28011614), (15980, 25540001), (17918, 22777610), (24769, 16477420), (27166, 15023530), (29140, 14005807), (35836, 11388805), (44795, 9111044), (48463, 8421460), (49538, 8238710), (54332, 7511765), (67915, 6009412), (89590, 4555522), (96926, 4210730), (99076, 4119355), (123845, 3295484), (135830, 3004706), (179180, 2277761), (193852, 2105365), (242315, 1684292), (247690, 1647742), (271660, 1502353), (421073, 969260), (484630, 842146), (495380, 823871)]