199425980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{45119}}^1$

素因数の和:45158

約数の個数: 48

約数和(自身を含む): 477550080

約数和(自身を除く): 278124100

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 2210, 4420, 45119, 90238, 180476, 225595, 451190, 586547, 767023, 902380, 1173094, 1534046, 2346188, 2932735, 3068092, 3835115, 5865470, 7670230, 9971299, 11730940, 15340460, 19942598, 39885196, 49856495, 99712990, 199425980]

約数ペア:

[(1, 199425980), (2, 99712990), (4, 49856495), (5, 39885196), (10, 19942598), (13, 15340460), (17, 11730940), (20, 9971299), (26, 7670230), (34, 5865470), (52, 3835115), (65, 3068092), (68, 2932735), (85, 2346188), (130, 1534046), (170, 1173094), (221, 902380), (260, 767023), (340, 586547), (442, 451190), (884, 225595), (1105, 180476), (2210, 90238), (4420, 45119)]