401024820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{136403}}^1$

素因数の和:136429

約数の個数: 72

約数和(自身を含む): 1306204704

約数和(自身を除く): 905179884

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 136403, 272806, 409209, 545612, 682015, 818418, 954821, 1364030, 1636836, 1909642, 2046045, 2728060, 2864463, 3819284, 4092090, 4774105, 5728926, 6683747, 8184180, 9548210, 11457852, 13367494, 14322315, 19096420, 20051241, 26734988, 28644630, 33418735, 40102482, 57289260, 66837470, 80204964, 100256205, 133674940, 200512410, 401024820]

約数ペア:

[(1, 401024820), (2, 200512410), (3, 133674940), (4, 100256205), (5, 80204964), (6, 66837470), (7, 57289260), (10, 40102482), (12, 33418735), (14, 28644630), (15, 26734988), (20, 20051241), (21, 19096420), (28, 14322315), (30, 13367494), (35, 11457852), (42, 9548210), (49, 8184180), (60, 6683747), (70, 5728926), (84, 4774105), (98, 4092090), (105, 3819284), (140, 2864463), (147, 2728060), (196, 2046045), (210, 1909642), (245, 1636836), (294, 1364030), (420, 954821), (490, 818418), (588, 682015), (735, 545612), (980, 409209), (1470, 272806), (2940, 136403)]