209316920

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{953}}^1$

素因数の和:1017

約数の個数: 96

約数和(自身を含む): 527180400

約数和(自身を除く): 317863480

約数列:

[1, 2, 4, 5, 8, 10, 17, 19, 20, 34, 38, 40, 68, 76, 85, 95, 136, 152, 170, 190, 289, 323, 340, 380, 578, 646, 680, 760, 953, 1156, 1292, 1445, 1615, 1906, 2312, 2584, 2890, 3230, 3812, 4765, 5491, 5780, 6460, 7624, 9530, 10982, 11560, 12920, 16201, 18107, 19060, 21964, 27455, 32402, 36214, 38120, 43928, 54910, 64804, 72428, 81005, 90535, 109820, 129608, 144856, 162010, 181070, 219640, 275417, 307819, 324020, 362140, 550834, 615638, 648040, 724280, 1101668, 1231276, 1377085, 1539095, 2203336, 2462552, 2754170, 3078190, 5232923, 5508340, 6156380, 10465846, 11016680, 12312760, 20931692, 26164615, 41863384, 52329230, 104658460, 209316920]

約数ペア:

[(1, 209316920), (2, 104658460), (4, 52329230), (5, 41863384), (8, 26164615), (10, 20931692), (17, 12312760), (19, 11016680), (20, 10465846), (34, 6156380), (38, 5508340), (40, 5232923), (68, 3078190), (76, 2754170), (85, 2462552), (95, 2203336), (136, 1539095), (152, 1377085), (170, 1231276), (190, 1101668), (289, 724280), (323, 648040), (340, 615638), (380, 550834), (578, 362140), (646, 324020), (680, 307819), (760, 275417), (953, 219640), (1156, 181070), (1292, 162010), (1445, 144856), (1615, 129608), (1906, 109820), (2312, 90535), (2584, 81005), (2890, 72428), (3230, 64804), (3812, 54910), (4765, 43928), (5491, 38120), (5780, 36214), (6460, 32402), (7624, 27455), (9530, 21964), (10982, 19060), (11560, 18107), (12920, 16201)]