389916270

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{71023}}^1$

素因数の和:71097

約数の個数: 48

約数和(自身を含む): 1030416192

約数和(自身を除く): 640499922

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 61, 90, 122, 183, 305, 366, 549, 610, 915, 1098, 1830, 2745, 5490, 71023, 142046, 213069, 355115, 426138, 639207, 710230, 1065345, 1278414, 2130690, 3196035, 4332403, 6392070, 8664806, 12997209, 21662015, 25994418, 38991627, 43324030, 64986045, 77983254, 129972090, 194958135, 389916270]

約数ペア:

[(1, 389916270), (2, 194958135), (3, 129972090), (5, 77983254), (6, 64986045), (9, 43324030), (10, 38991627), (15, 25994418), (18, 21662015), (30, 12997209), (45, 8664806), (61, 6392070), (90, 4332403), (122, 3196035), (183, 2130690), (305, 1278414), (366, 1065345), (549, 710230), (610, 639207), (915, 426138), (1098, 355115), (1830, 213069), (2745, 142046), (5490, 71023)]