69851980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{983}}^1$

素因数の和:1039

約数の個数: 96

約数和(自身を含む): 178536960

約数和(自身を除く): 108684980

約数列:

[1, 2, 4, 5, 10, 11, 17, 19, 20, 22, 34, 38, 44, 55, 68, 76, 85, 95, 110, 170, 187, 190, 209, 220, 323, 340, 374, 380, 418, 646, 748, 836, 935, 983, 1045, 1292, 1615, 1870, 1966, 2090, 3230, 3553, 3740, 3932, 4180, 4915, 6460, 7106, 9830, 10813, 14212, 16711, 17765, 18677, 19660, 21626, 33422, 35530, 37354, 43252, 54065, 66844, 71060, 74708, 83555, 93385, 108130, 167110, 183821, 186770, 205447, 216260, 317509, 334220, 367642, 373540, 410894, 635018, 735284, 821788, 919105, 1027235, 1270036, 1587545, 1838210, 2054470, 3175090, 3492599, 3676420, 4108940, 6350180, 6985198, 13970396, 17462995, 34925990, 69851980]

約数ペア:

[(1, 69851980), (2, 34925990), (4, 17462995), (5, 13970396), (10, 6985198), (11, 6350180), (17, 4108940), (19, 3676420), (20, 3492599), (22, 3175090), (34, 2054470), (38, 1838210), (44, 1587545), (55, 1270036), (68, 1027235), (76, 919105), (85, 821788), (95, 735284), (110, 635018), (170, 410894), (187, 373540), (190, 367642), (209, 334220), (220, 317509), (323, 216260), (340, 205447), (374, 186770), (380, 183821), (418, 167110), (646, 108130), (748, 93385), (836, 83555), (935, 74708), (983, 71060), (1045, 66844), (1292, 54065), (1615, 43252), (1870, 37354), (1966, 35530), (2090, 33422), (3230, 21626), (3553, 19660), (3740, 18677), (3932, 17765), (4180, 16711), (4915, 14212), (6460, 10813), (7106, 9830)]