17390380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{4007}}^1$

素因数の和:4054

約数の個数: 48

約数和(自身を含む): 43094016

約数和(自身を除く): 25703636

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4007, 4340, 8014, 16028, 20035, 28049, 40070, 56098, 80140, 112196, 124217, 140245, 248434, 280490, 496868, 560980, 621085, 869519, 1242170, 1739038, 2484340, 3478076, 4347595, 8695190, 17390380]

約数ペア:

[(1, 17390380), (2, 8695190), (4, 4347595), (5, 3478076), (7, 2484340), (10, 1739038), (14, 1242170), (20, 869519), (28, 621085), (31, 560980), (35, 496868), (62, 280490), (70, 248434), (124, 140245), (140, 124217), (155, 112196), (217, 80140), (310, 56098), (434, 40070), (620, 28049), (868, 20035), (1085, 16028), (2170, 8014), (4007, 4340)]