221696540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{283}}^1$

素因数の和:459

約数の個数: 96

約数和(自身を含む): 529030656

約数和(自身を除く): 307334116

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 46, 52, 65, 92, 115, 130, 131, 230, 260, 262, 283, 299, 460, 524, 566, 598, 655, 1132, 1196, 1310, 1415, 1495, 1703, 2620, 2830, 2990, 3013, 3406, 3679, 5660, 5980, 6026, 6509, 6812, 7358, 8515, 12052, 13018, 14716, 15065, 17030, 18395, 26036, 30130, 32545, 34060, 36790, 37073, 39169, 60260, 65090, 73580, 74146, 78338, 84617, 130180, 148292, 156676, 169234, 185365, 195845, 338468, 370730, 391690, 423085, 481949, 741460, 783380, 846170, 852679, 963898, 1692340, 1705358, 1927796, 2409745, 3410716, 4263395, 4819490, 8526790, 9638980, 11084827, 17053580, 22169654, 44339308, 55424135, 110848270, 221696540]

約数ペア:

[(1, 221696540), (2, 110848270), (4, 55424135), (5, 44339308), (10, 22169654), (13, 17053580), (20, 11084827), (23, 9638980), (26, 8526790), (46, 4819490), (52, 4263395), (65, 3410716), (92, 2409745), (115, 1927796), (130, 1705358), (131, 1692340), (230, 963898), (260, 852679), (262, 846170), (283, 783380), (299, 741460), (460, 481949), (524, 423085), (566, 391690), (598, 370730), (655, 338468), (1132, 195845), (1196, 185365), (1310, 169234), (1415, 156676), (1495, 148292), (1703, 130180), (2620, 84617), (2830, 78338), (2990, 74146), (3013, 73580), (3406, 65090), (3679, 60260), (5660, 39169), (5980, 37073), (6026, 36790), (6509, 34060), (6812, 32545), (7358, 30130), (8515, 26036), (12052, 18395), (13018, 17030), (14716, 15065)]