17990150

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{653}}^1$

素因数の和:713

約数の個数: 48

約数和(自身を含む): 36493200

約数和(自身を除く): 18503050

約数列:

[1, 2, 5, 10, 19, 25, 29, 38, 50, 58, 95, 145, 190, 290, 475, 551, 653, 725, 950, 1102, 1306, 1450, 2755, 3265, 5510, 6530, 12407, 13775, 16325, 18937, 24814, 27550, 32650, 37874, 62035, 94685, 124070, 189370, 310175, 359803, 473425, 620350, 719606, 946850, 1799015, 3598030, 8995075, 17990150]

約数ペア:

[(1, 17990150), (2, 8995075), (5, 3598030), (10, 1799015), (19, 946850), (25, 719606), (29, 620350), (38, 473425), (50, 359803), (58, 310175), (95, 189370), (145, 124070), (190, 94685), (290, 62035), (475, 37874), (551, 32650), (653, 27550), (725, 24814), (950, 18937), (1102, 16325), (1306, 13775), (1450, 12407), (2755, 6530), (3265, 5510)]