221296340

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{3461}}^1$

素因数の和:3632

約数の個数: 48

約数和(自身を含む): 488557440

約数和(自身を除く): 267261100

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 139, 230, 278, 460, 556, 695, 1390, 2780, 3197, 3461, 6394, 6922, 12788, 13844, 15985, 17305, 31970, 34610, 63940, 69220, 79603, 159206, 318412, 398015, 481079, 796030, 962158, 1592060, 1924316, 2405395, 4810790, 9621580, 11064817, 22129634, 44259268, 55324085, 110648170, 221296340]

約数ペア:

[(1, 221296340), (2, 110648170), (4, 55324085), (5, 44259268), (10, 22129634), (20, 11064817), (23, 9621580), (46, 4810790), (92, 2405395), (115, 1924316), (139, 1592060), (230, 962158), (278, 796030), (460, 481079), (556, 398015), (695, 318412), (1390, 159206), (2780, 79603), (3197, 69220), (3461, 63940), (6394, 34610), (6922, 31970), (12788, 17305), (13844, 15985)]