205707320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1823}}^1$

素因数の和:1885

約数の個数: 128

約数和(自身を含む): 588349440

約数和(自身を除く): 382642120

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 31, 35, 40, 52, 56, 62, 65, 70, 91, 104, 124, 130, 140, 155, 182, 217, 248, 260, 280, 310, 364, 403, 434, 455, 520, 620, 728, 806, 868, 910, 1085, 1240, 1612, 1736, 1820, 1823, 2015, 2170, 2821, 3224, 3640, 3646, 4030, 4340, 5642, 7292, 8060, 8680, 9115, 11284, 12761, 14105, 14584, 16120, 18230, 22568, 23699, 25522, 28210, 36460, 47398, 51044, 56420, 56513, 63805, 72920, 94796, 102088, 112840, 113026, 118495, 127610, 165893, 189592, 226052, 236990, 255220, 282565, 331786, 395591, 452104, 473980, 510440, 565130, 663572, 734669, 791182, 829465, 947960, 1130260, 1327144, 1469338, 1582364, 1658930, 1977955, 2260520, 2938676, 3164728, 3317860, 3673345, 3955910, 5142683, 5877352, 6635720, 7346690, 7911820, 10285366, 14693380, 15823640, 20570732, 25713415, 29386760, 41141464, 51426830, 102853660, 205707320]

約数ペア:

[(1, 205707320), (2, 102853660), (4, 51426830), (5, 41141464), (7, 29386760), (8, 25713415), (10, 20570732), (13, 15823640), (14, 14693380), (20, 10285366), (26, 7911820), (28, 7346690), (31, 6635720), (35, 5877352), (40, 5142683), (52, 3955910), (56, 3673345), (62, 3317860), (65, 3164728), (70, 2938676), (91, 2260520), (104, 1977955), (124, 1658930), (130, 1582364), (140, 1469338), (155, 1327144), (182, 1130260), (217, 947960), (248, 829465), (260, 791182), (280, 734669), (310, 663572), (364, 565130), (403, 510440), (434, 473980), (455, 452104), (520, 395591), (620, 331786), (728, 282565), (806, 255220), (868, 236990), (910, 226052), (1085, 189592), (1240, 165893), (1612, 127610), (1736, 118495), (1820, 113026), (1823, 112840), (2015, 102088), (2170, 94796), (2821, 72920), (3224, 63805), (3640, 56513), (3646, 56420), (4030, 51044), (4340, 47398), (5642, 36460), (7292, 28210), (8060, 25522), (8680, 23699), (9115, 22568), (11284, 18230), (12761, 16120), (14105, 14584)]