858491140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{349}}^1\times {\mathrm{9461}}^1$

素因数の和:9832

約数の個数: 48

約数和(自身を含む): 1947279600

約数和(自身を除く): 1088788460

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 349, 698, 1396, 1745, 3490, 4537, 6980, 9074, 9461, 18148, 18922, 22685, 37844, 45370, 47305, 90740, 94610, 122993, 189220, 245986, 491972, 614965, 1229930, 2459860, 3301889, 6603778, 13207556, 16509445, 33018890, 42924557, 66037780, 85849114, 171698228, 214622785, 429245570, 858491140]

約数ペア:

[(1, 858491140), (2, 429245570), (4, 214622785), (5, 171698228), (10, 85849114), (13, 66037780), (20, 42924557), (26, 33018890), (52, 16509445), (65, 13207556), (130, 6603778), (260, 3301889), (349, 2459860), (698, 1229930), (1396, 614965), (1745, 491972), (3490, 245986), (4537, 189220), (6980, 122993), (9074, 94610), (9461, 90740), (18148, 47305), (18922, 45370), (22685, 37844)]