211348520

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{167}}^1\times {\mathrm{1091}}^1$

素因数の和:1298

約数の個数: 64

約数和(自身を含む): 495331200

約数和(自身を除く): 283982680

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 167, 232, 290, 334, 580, 668, 835, 1091, 1160, 1336, 1670, 2182, 3340, 4364, 4843, 5455, 6680, 8728, 9686, 10910, 19372, 21820, 24215, 31639, 38744, 43640, 48430, 63278, 96860, 126556, 158195, 182197, 193720, 253112, 316390, 364394, 632780, 728788, 910985, 1265560, 1457576, 1821970, 3643940, 5283713, 7287880, 10567426, 21134852, 26418565, 42269704, 52837130, 105674260, 211348520]

約数ペア:

[(1, 211348520), (2, 105674260), (4, 52837130), (5, 42269704), (8, 26418565), (10, 21134852), (20, 10567426), (29, 7287880), (40, 5283713), (58, 3643940), (116, 1821970), (145, 1457576), (167, 1265560), (232, 910985), (290, 728788), (334, 632780), (580, 364394), (668, 316390), (835, 253112), (1091, 193720), (1160, 182197), (1336, 158195), (1670, 126556), (2182, 96860), (3340, 63278), (4364, 48430), (4843, 43640), (5455, 38744), (6680, 31639), (8728, 24215), (9686, 21820), (10910, 19372)]