164973940

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^2\times {\mathrm{31}}^1\times {\mathrm{503}}^1$

素因数の和:589

約数の個数: 72

約数和(自身を含む): 374588928

約数和(自身を除く): 209614988

約数列:

[1, 2, 4, 5, 10, 20, 23, 31, 46, 62, 92, 115, 124, 155, 230, 310, 460, 503, 529, 620, 713, 1006, 1058, 1426, 2012, 2116, 2515, 2645, 2852, 3565, 5030, 5290, 7130, 10060, 10580, 11569, 14260, 15593, 16399, 23138, 31186, 32798, 46276, 57845, 62372, 65596, 77965, 81995, 115690, 155930, 163990, 231380, 266087, 311860, 327980, 358639, 532174, 717278, 1064348, 1330435, 1434556, 1793195, 2660870, 3586390, 5321740, 7172780, 8248697, 16497394, 32994788, 41243485, 82486970, 164973940]

約数ペア:

[(1, 164973940), (2, 82486970), (4, 41243485), (5, 32994788), (10, 16497394), (20, 8248697), (23, 7172780), (31, 5321740), (46, 3586390), (62, 2660870), (92, 1793195), (115, 1434556), (124, 1330435), (155, 1064348), (230, 717278), (310, 532174), (460, 358639), (503, 327980), (529, 311860), (620, 266087), (713, 231380), (1006, 163990), (1058, 155930), (1426, 115690), (2012, 81995), (2116, 77965), (2515, 65596), (2645, 62372), (2852, 57845), (3565, 46276), (5030, 32798), (5290, 31186), (7130, 23138), (10060, 16399), (10580, 15593), (11569, 14260)]