208019920

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{2267}}^1$

素因数の和:2348

約数の個数: 80

約数和(自身を含む): 512967168

約数和(自身を除く): 304947248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 37, 40, 62, 74, 80, 124, 148, 155, 185, 248, 296, 310, 370, 496, 592, 620, 740, 1147, 1240, 1480, 2267, 2294, 2480, 2960, 4534, 4588, 5735, 9068, 9176, 11335, 11470, 18136, 18352, 22670, 22940, 36272, 45340, 45880, 70277, 83879, 90680, 91760, 140554, 167758, 181360, 281108, 335516, 351385, 419395, 562216, 671032, 702770, 838790, 1124432, 1342064, 1405540, 1677580, 2600249, 2811080, 3355160, 5200498, 5622160, 6710320, 10400996, 13001245, 20801992, 26002490, 41603984, 52004980, 104009960, 208019920]

約数ペア:

[(1, 208019920), (2, 104009960), (4, 52004980), (5, 41603984), (8, 26002490), (10, 20801992), (16, 13001245), (20, 10400996), (31, 6710320), (37, 5622160), (40, 5200498), (62, 3355160), (74, 2811080), (80, 2600249), (124, 1677580), (148, 1405540), (155, 1342064), (185, 1124432), (248, 838790), (296, 702770), (310, 671032), (370, 562216), (496, 419395), (592, 351385), (620, 335516), (740, 281108), (1147, 181360), (1240, 167758), (1480, 140554), (2267, 91760), (2294, 90680), (2480, 83879), (2960, 70277), (4534, 45880), (4588, 45340), (5735, 36272), (9068, 22940), (9176, 22670), (11335, 18352), (11470, 18136)]