749209020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{254833}}^1$

素因数の和:254859

約数の個数: 72

約数和(自身を含む): 2440290384

約数和(自身を除く): 1691081364

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, 254833, 509666, 764499, 1019332, 1274165, 1528998, 1783831, 2548330, 3057996, 3567662, 3822495, 5096660, 5351493, 7135324, 7644990, 8919155, 10702986, 12486817, 15289980, 17838310, 21405972, 24973634, 26757465, 35676620, 37460451, 49947268, 53514930, 62434085, 74920902, 107029860, 124868170, 149841804, 187302255, 249736340, 374604510, 749209020]

約数ペア:

[(1, 749209020), (2, 374604510), (3, 249736340), (4, 187302255), (5, 149841804), (6, 124868170), (7, 107029860), (10, 74920902), (12, 62434085), (14, 53514930), (15, 49947268), (20, 37460451), (21, 35676620), (28, 26757465), (30, 24973634), (35, 21405972), (42, 17838310), (49, 15289980), (60, 12486817), (70, 10702986), (84, 8919155), (98, 7644990), (105, 7135324), (140, 5351493), (147, 5096660), (196, 3822495), (210, 3567662), (245, 3057996), (294, 2548330), (420, 1783831), (490, 1528998), (588, 1274165), (735, 1019332), (980, 764499), (1470, 509666), (2940, 254833)]