391202020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{3019}}^1$

素因数の和:3089

約数の個数: 96

約数和(自身を含む): 974131200

約数和(自身を除く): 582929180

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 31, 38, 44, 55, 62, 76, 95, 110, 124, 155, 190, 209, 220, 310, 341, 380, 418, 589, 620, 682, 836, 1045, 1178, 1364, 1705, 2090, 2356, 2945, 3019, 3410, 4180, 5890, 6038, 6479, 6820, 11780, 12076, 12958, 15095, 25916, 30190, 32395, 33209, 57361, 60380, 64790, 66418, 93589, 114722, 129580, 132836, 166045, 187178, 229444, 286805, 332090, 374356, 467945, 573610, 630971, 664180, 935890, 1029479, 1147220, 1261942, 1778191, 1871780, 2058958, 2523884, 3154855, 3556382, 4117916, 5147395, 6309710, 7112764, 8890955, 10294790, 12619420, 17781910, 19560101, 20589580, 35563820, 39120202, 78240404, 97800505, 195601010, 391202020]

約数ペア:

[(1, 391202020), (2, 195601010), (4, 97800505), (5, 78240404), (10, 39120202), (11, 35563820), (19, 20589580), (20, 19560101), (22, 17781910), (31, 12619420), (38, 10294790), (44, 8890955), (55, 7112764), (62, 6309710), (76, 5147395), (95, 4117916), (110, 3556382), (124, 3154855), (155, 2523884), (190, 2058958), (209, 1871780), (220, 1778191), (310, 1261942), (341, 1147220), (380, 1029479), (418, 935890), (589, 664180), (620, 630971), (682, 573610), (836, 467945), (1045, 374356), (1178, 332090), (1364, 286805), (1705, 229444), (2090, 187178), (2356, 166045), (2945, 132836), (3019, 129580), (3410, 114722), (4180, 93589), (5890, 66418), (6038, 64790), (6479, 60380), (6820, 57361), (11780, 33209), (12076, 32395), (12958, 30190), (15095, 25916)]