388201840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{12041}}^1$

素因数の和:12098

約数の個数: 80

約数和(自身を含む): 1003435776

約数和(自身を除く): 615233936

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 208, 248, 260, 310, 403, 496, 520, 620, 806, 1040, 1240, 1612, 2015, 2480, 3224, 4030, 6448, 8060, 12041, 16120, 24082, 32240, 48164, 60205, 96328, 120410, 156533, 192656, 240820, 313066, 373271, 481640, 626132, 746542, 782665, 963280, 1252264, 1493084, 1565330, 1866355, 2504528, 2986168, 3130660, 3732710, 4852523, 5972336, 6261320, 7465420, 9705046, 12522640, 14930840, 19410092, 24262615, 29861680, 38820184, 48525230, 77640368, 97050460, 194100920, 388201840]

約数ペア:

[(1, 388201840), (2, 194100920), (4, 97050460), (5, 77640368), (8, 48525230), (10, 38820184), (13, 29861680), (16, 24262615), (20, 19410092), (26, 14930840), (31, 12522640), (40, 9705046), (52, 7465420), (62, 6261320), (65, 5972336), (80, 4852523), (104, 3732710), (124, 3130660), (130, 2986168), (155, 2504528), (208, 1866355), (248, 1565330), (260, 1493084), (310, 1252264), (403, 963280), (496, 782665), (520, 746542), (620, 626132), (806, 481640), (1040, 373271), (1240, 313066), (1612, 240820), (2015, 192656), (2480, 156533), (3224, 120410), (4030, 96328), (6448, 60205), (8060, 48164), (12041, 32240), (16120, 24082)]