256940190

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{219607}}^1$

素因数の和:219633

約数の個数: 48

約数和(自身を含む): 719435808

約数和(自身を除く): 462495618

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 195, 234, 390, 585, 1170, 219607, 439214, 658821, 1098035, 1317642, 1976463, 2196070, 2854891, 3294105, 3952926, 5709782, 6588210, 8564673, 9882315, 14274455, 17129346, 19764630, 25694019, 28548910, 42823365, 51388038, 85646730, 128470095, 256940190]

約数ペア:

[(1, 256940190), (2, 128470095), (3, 85646730), (5, 51388038), (6, 42823365), (9, 28548910), (10, 25694019), (13, 19764630), (15, 17129346), (18, 14274455), (26, 9882315), (30, 8564673), (39, 6588210), (45, 5709782), (65, 3952926), (78, 3294105), (90, 2854891), (117, 2196070), (130, 1976463), (195, 1317642), (234, 1098035), (390, 658821), (585, 439214), (1170, 219607)]