201214760

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{1949}}^1$

素因数の和:2078

約数の個数: 64

約数和(自身を含む): 473850000

約数和(自身を除く): 272635240

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 89, 116, 145, 178, 232, 290, 356, 445, 580, 712, 890, 1160, 1780, 1949, 2581, 3560, 3898, 5162, 7796, 9745, 10324, 12905, 15592, 19490, 20648, 25810, 38980, 51620, 56521, 77960, 103240, 113042, 173461, 226084, 282605, 346922, 452168, 565210, 693844, 867305, 1130420, 1387688, 1734610, 2260840, 3469220, 5030369, 6938440, 10060738, 20121476, 25151845, 40242952, 50303690, 100607380, 201214760]

約数ペア:

[(1, 201214760), (2, 100607380), (4, 50303690), (5, 40242952), (8, 25151845), (10, 20121476), (20, 10060738), (29, 6938440), (40, 5030369), (58, 3469220), (89, 2260840), (116, 1734610), (145, 1387688), (178, 1130420), (232, 867305), (290, 693844), (356, 565210), (445, 452168), (580, 346922), (712, 282605), (890, 226084), (1160, 173461), (1780, 113042), (1949, 103240), (2581, 77960), (3560, 56521), (3898, 51620), (5162, 38980), (7796, 25810), (9745, 20648), (10324, 19490), (12905, 15592)]