31684940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{13313}}^1$

素因数の和:13346

約数の個数: 48

約数和(自身を含む): 80523072

約数和(自身を除く): 48838132

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 13313, 26626, 53252, 66565, 93191, 133130, 186382, 226321, 266260, 372764, 452642, 465955, 905284, 931910, 1131605, 1584247, 1863820, 2263210, 3168494, 4526420, 6336988, 7921235, 15842470, 31684940]

約数ペア:

[(1, 31684940), (2, 15842470), (4, 7921235), (5, 6336988), (7, 4526420), (10, 3168494), (14, 2263210), (17, 1863820), (20, 1584247), (28, 1131605), (34, 931910), (35, 905284), (68, 465955), (70, 452642), (85, 372764), (119, 266260), (140, 226321), (170, 186382), (238, 133130), (340, 93191), (476, 66565), (595, 53252), (1190, 26626), (2380, 13313)]