202604980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{397}}^1$

素因数の和:521

約数の個数: 96

約数和(自身を含む): 481420800

約数和(自身を除く): 278815820

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 79, 85, 95, 158, 170, 190, 316, 323, 340, 380, 395, 397, 646, 790, 794, 1292, 1343, 1501, 1580, 1588, 1615, 1985, 2686, 3002, 3230, 3970, 5372, 6004, 6460, 6715, 6749, 7505, 7543, 7940, 13430, 13498, 15010, 15086, 25517, 26860, 26996, 30020, 30172, 31363, 33745, 37715, 51034, 62726, 67490, 75430, 102068, 125452, 127585, 128231, 134980, 150860, 156815, 255170, 256462, 313630, 510340, 512924, 533171, 595897, 627260, 641155, 1066342, 1191794, 1282310, 2132684, 2383588, 2564620, 2665855, 2979485, 5331710, 5958970, 10130249, 10663420, 11917940, 20260498, 40520996, 50651245, 101302490, 202604980]

約数ペア:

[(1, 202604980), (2, 101302490), (4, 50651245), (5, 40520996), (10, 20260498), (17, 11917940), (19, 10663420), (20, 10130249), (34, 5958970), (38, 5331710), (68, 2979485), (76, 2665855), (79, 2564620), (85, 2383588), (95, 2132684), (158, 1282310), (170, 1191794), (190, 1066342), (316, 641155), (323, 627260), (340, 595897), (380, 533171), (395, 512924), (397, 510340), (646, 313630), (790, 256462), (794, 255170), (1292, 156815), (1343, 150860), (1501, 134980), (1580, 128231), (1588, 127585), (1615, 125452), (1985, 102068), (2686, 75430), (3002, 67490), (3230, 62726), (3970, 51034), (5372, 37715), (6004, 33745), (6460, 31363), (6715, 30172), (6749, 30020), (7505, 26996), (7543, 26860), (7940, 25517), (13430, 15086), (13498, 15010)]