256905090

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{219577}}^1$

素因数の和:219603

約数の個数: 48

約数和(自身を含む): 719337528

約数和(自身を除く): 462432438

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, 219577, 439154, 658731, 1097885, 1317462, 1976193, 2195770, 2854501, 3293655, 3952386, 5709002, 6587310, 8563503, 9880965, 14272505, 17127006, 19761930, 25690509, 28545010, 42817515, 51381018, 85635030, 128452545, 256905090]

約数ペア:

[(1, 256905090), (2, 128452545), (3, 85635030), (5, 51381018), (6, 42817515), (9, 28545010), (10, 25690509), (13, 19761930), (15, 17127006), (18, 14272505), (26, 9880965), (30, 8563503), (39, 6587310), (45, 5709002), (65, 3952386), (78, 3293655), (90, 2854501), (117, 2195770), (130, 1976193), (195, 1317462), (234, 1097885), (390, 658731), (585, 439154), (1170, 219577)]