521430

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1$

素因数の和:221

約数の個数: 64

約数和(自身を含む): 1548288

約数和(自身を除く): 1026858

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 30, 35, 39, 42, 65, 70, 78, 91, 105, 130, 182, 191, 195, 210, 273, 382, 390, 455, 546, 573, 910, 955, 1146, 1337, 1365, 1910, 2483, 2674, 2730, 2865, 4011, 4966, 5730, 6685, 7449, 8022, 12415, 13370, 14898, 17381, 20055, 24830, 34762, 37245, 40110, 52143, 74490, 86905, 104286, 173810, 260715, 521430]

約数ペア:

[(1, 521430), (2, 260715), (3, 173810), (5, 104286), (6, 86905), (7, 74490), (10, 52143), (13, 40110), (14, 37245), (15, 34762), (21, 24830), (26, 20055), (30, 17381), (35, 14898), (39, 13370), (42, 12415), (65, 8022), (70, 7449), (78, 6685), (91, 5730), (105, 4966), (130, 4011), (182, 2865), (191, 2730), (195, 2674), (210, 2483), (273, 1910), (382, 1365), (390, 1337), (455, 1146), (546, 955), (573, 910)]