491796340

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{113}}^1\times {\mathrm{4441}}^1$

素因数の和:4577

約数の個数: 72

約数和(自身を含む): 1212292872

約数和(自身を除く): 720496532

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 113, 140, 196, 226, 245, 452, 490, 565, 791, 980, 1130, 1582, 2260, 3164, 3955, 4441, 5537, 7910, 8882, 11074, 15820, 17764, 22148, 22205, 27685, 31087, 44410, 55370, 62174, 88820, 110740, 124348, 155435, 217609, 310870, 435218, 501833, 621740, 870436, 1003666, 1088045, 2007332, 2176090, 2509165, 3512831, 4352180, 5018330, 7025662, 10036660, 14051324, 17564155, 24589817, 35128310, 49179634, 70256620, 98359268, 122949085, 245898170, 491796340]

約数ペア:

[(1, 491796340), (2, 245898170), (4, 122949085), (5, 98359268), (7, 70256620), (10, 49179634), (14, 35128310), (20, 24589817), (28, 17564155), (35, 14051324), (49, 10036660), (70, 7025662), (98, 5018330), (113, 4352180), (140, 3512831), (196, 2509165), (226, 2176090), (245, 2007332), (452, 1088045), (490, 1003666), (565, 870436), (791, 621740), (980, 501833), (1130, 435218), (1582, 310870), (2260, 217609), (3164, 155435), (3955, 124348), (4441, 110740), (5537, 88820), (7910, 62174), (8882, 55370), (11074, 44410), (15820, 31087), (17764, 27685), (22148, 22205)]