278126420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3137}}^1$

素因数の和:3201

約数の個数: 96

約数和(自身を含む): 708535296

約数和(自身を除く): 430408876

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 31, 44, 52, 55, 62, 65, 110, 124, 130, 143, 155, 220, 260, 286, 310, 341, 403, 572, 620, 682, 715, 806, 1364, 1430, 1612, 1705, 2015, 2860, 3137, 3410, 4030, 4433, 6274, 6820, 8060, 8866, 12548, 15685, 17732, 22165, 31370, 34507, 40781, 44330, 62740, 69014, 81562, 88660, 97247, 138028, 163124, 172535, 194494, 203905, 345070, 388988, 407810, 448591, 486235, 690140, 815620, 897182, 972470, 1069717, 1264211, 1794364, 1944940, 2139434, 2242955, 2528422, 4278868, 4485910, 5056844, 5348585, 6321055, 8971820, 10697170, 12642110, 13906321, 21394340, 25284220, 27812642, 55625284, 69531605, 139063210, 278126420]

約数ペア:

[(1, 278126420), (2, 139063210), (4, 69531605), (5, 55625284), (10, 27812642), (11, 25284220), (13, 21394340), (20, 13906321), (22, 12642110), (26, 10697170), (31, 8971820), (44, 6321055), (52, 5348585), (55, 5056844), (62, 4485910), (65, 4278868), (110, 2528422), (124, 2242955), (130, 2139434), (143, 1944940), (155, 1794364), (220, 1264211), (260, 1069717), (286, 972470), (310, 897182), (341, 815620), (403, 690140), (572, 486235), (620, 448591), (682, 407810), (715, 388988), (806, 345070), (1364, 203905), (1430, 194494), (1612, 172535), (1705, 163124), (2015, 138028), (2860, 97247), (3137, 88660), (3410, 81562), (4030, 69014), (4433, 62740), (6274, 44330), (6820, 40781), (8060, 34507), (8866, 31370), (12548, 22165), (15685, 17732)]