123491910

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{107}}^1$

素因数の和:238

約数の個数: 128

約数和(自身を含む): 331444224

約数和(自身を除く): 207952314

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 31, 34, 51, 62, 73, 85, 93, 102, 107, 146, 155, 170, 186, 214, 219, 255, 310, 321, 365, 438, 465, 510, 527, 535, 642, 730, 930, 1054, 1070, 1095, 1241, 1581, 1605, 1819, 2190, 2263, 2482, 2635, 3162, 3210, 3317, 3638, 3723, 4526, 5270, 5457, 6205, 6634, 6789, 7446, 7811, 7905, 9095, 9951, 10914, 11315, 12410, 13578, 15622, 15810, 16585, 18190, 18615, 19902, 22630, 23433, 27285, 33170, 33945, 37230, 38471, 39055, 46866, 49755, 54570, 56389, 67890, 76942, 78110, 99510, 112778, 115413, 117165, 132787, 169167, 192355, 230826, 234330, 242141, 265574, 281945, 338334, 384710, 398361, 484282, 563890, 577065, 663935, 726423, 796722, 845835, 1154130, 1210705, 1327870, 1452846, 1691670, 1991805, 2421410, 3632115, 3983610, 4116397, 7264230, 8232794, 12349191, 20581985, 24698382, 41163970, 61745955, 123491910]

約数ペア:

[(1, 123491910), (2, 61745955), (3, 41163970), (5, 24698382), (6, 20581985), (10, 12349191), (15, 8232794), (17, 7264230), (30, 4116397), (31, 3983610), (34, 3632115), (51, 2421410), (62, 1991805), (73, 1691670), (85, 1452846), (93, 1327870), (102, 1210705), (107, 1154130), (146, 845835), (155, 796722), (170, 726423), (186, 663935), (214, 577065), (219, 563890), (255, 484282), (310, 398361), (321, 384710), (365, 338334), (438, 281945), (465, 265574), (510, 242141), (527, 234330), (535, 230826), (642, 192355), (730, 169167), (930, 132787), (1054, 117165), (1070, 115413), (1095, 112778), (1241, 99510), (1581, 78110), (1605, 76942), (1819, 67890), (2190, 56389), (2263, 54570), (2482, 49755), (2635, 46866), (3162, 39055), (3210, 38471), (3317, 37230), (3638, 33945), (3723, 33170), (4526, 27285), (5270, 23433), (5457, 22630), (6205, 19902), (6634, 18615), (6789, 18190), (7446, 16585), (7811, 15810), (7905, 15622), (9095, 13578), (9951, 12410), (10914, 11315)]