309582988

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:168

約数の個数: 144

約数和(自身を含む): 708341760

約数和(自身を除く): 398758772

約数列:

[1, 2, 4, 11, 13, 17, 22, 26, 31, 34, 44, 52, 62, 68, 79, 124, 143, 158, 169, 187, 221, 286, 316, 338, 341, 374, 403, 442, 527, 572, 676, 682, 748, 806, 869, 884, 1027, 1054, 1343, 1364, 1612, 1738, 1859, 2054, 2108, 2431, 2449, 2686, 2873, 3476, 3718, 4108, 4433, 4862, 4898, 5239, 5372, 5746, 5797, 6851, 7436, 8866, 9724, 9796, 10478, 11297, 11492, 11594, 13351, 13702, 14773, 17459, 17732, 20956, 22594, 23188, 26702, 26939, 27404, 29546, 31603, 31837, 34918, 41633, 45188, 53404, 53878, 57629, 59092, 63206, 63674, 69836, 75361, 83266, 89063, 107756, 115258, 126412, 127348, 146861, 150722, 166532, 178126, 192049, 226967, 230516, 293722, 301444, 350207, 356252, 384098, 413881, 453934, 457963, 541229, 587444, 700414, 768196, 827762, 907868, 915926, 979693, 1082458, 1400828, 1655524, 1831852, 1959386, 2164916, 2496637, 3918772, 4552691, 4993274, 5953519, 7035977, 9105382, 9986548, 11907038, 14071954, 18210764, 23814076, 28143908, 77395747, 154791494, 309582988]

約数ペア:

[(1, 309582988), (2, 154791494), (4, 77395747), (11, 28143908), (13, 23814076), (17, 18210764), (22, 14071954), (26, 11907038), (31, 9986548), (34, 9105382), (44, 7035977), (52, 5953519), (62, 4993274), (68, 4552691), (79, 3918772), (124, 2496637), (143, 2164916), (158, 1959386), (169, 1831852), (187, 1655524), (221, 1400828), (286, 1082458), (316, 979693), (338, 915926), (341, 907868), (374, 827762), (403, 768196), (442, 700414), (527, 587444), (572, 541229), (676, 457963), (682, 453934), (748, 413881), (806, 384098), (869, 356252), (884, 350207), (1027, 301444), (1054, 293722), (1343, 230516), (1364, 226967), (1612, 192049), (1738, 178126), (1859, 166532), (2054, 150722), (2108, 146861), (2431, 127348), (2449, 126412), (2686, 115258), (2873, 107756), (3476, 89063), (3718, 83266), (4108, 75361), (4433, 69836), (4862, 63674), (4898, 63206), (5239, 59092), (5372, 57629), (5746, 53878), (5797, 53404), (6851, 45188), (7436, 41633), (8866, 34918), (9724, 31837), (9796, 31603), (10478, 29546), (11297, 27404), (11492, 26939), (11594, 26702), (13351, 23188), (13702, 22594), (14773, 20956), (17459, 17732)]