1539460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1$

素因数の和:244

約数の個数: 48

約数和(自身を含む): 3612672

約数和(自身を除く): 2073212

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 191, 260, 310, 382, 403, 620, 764, 806, 955, 1612, 1910, 2015, 2483, 3820, 4030, 4966, 5921, 8060, 9932, 11842, 12415, 23684, 24830, 29605, 49660, 59210, 76973, 118420, 153946, 307892, 384865, 769730, 1539460]

約数ペア:

[(1, 1539460), (2, 769730), (4, 384865), (5, 307892), (10, 153946), (13, 118420), (20, 76973), (26, 59210), (31, 49660), (52, 29605), (62, 24830), (65, 23684), (124, 12415), (130, 11842), (155, 9932), (191, 8060), (260, 5921), (310, 4966), (382, 4030), (403, 3820), (620, 2483), (764, 2015), (806, 1910), (955, 1612)]