888978930

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{547}}^1$

素因数の和:744

約数の個数: 128

約数和(自身を含む): 2499932160

約数和(自身を除く): 1610953230

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 71, 105, 109, 142, 210, 213, 218, 327, 355, 426, 497, 545, 547, 654, 710, 763, 994, 1065, 1090, 1094, 1491, 1526, 1635, 1641, 2130, 2289, 2485, 2735, 2982, 3270, 3282, 3815, 3829, 4578, 4970, 5470, 7455, 7630, 7658, 7739, 8205, 11445, 11487, 14910, 15478, 16410, 19145, 22890, 22974, 23217, 38290, 38695, 38837, 46434, 54173, 57435, 59623, 77390, 77674, 108346, 114870, 116085, 116511, 119246, 162519, 178869, 194185, 232170, 233022, 270865, 271859, 298115, 325038, 357738, 388370, 417361, 541730, 543718, 582555, 596230, 812595, 815577, 834722, 894345, 1165110, 1252083, 1359295, 1625190, 1631154, 1788690, 2086805, 2504166, 2718590, 4077885, 4173610, 4233233, 6260415, 8155770, 8466466, 12520830, 12699699, 21166165, 25399398, 29632631, 42332330, 59265262, 63498495, 88897893, 126996990, 148163155, 177795786, 296326310, 444489465, 888978930]

約数ペア:

[(1, 888978930), (2, 444489465), (3, 296326310), (5, 177795786), (6, 148163155), (7, 126996990), (10, 88897893), (14, 63498495), (15, 59265262), (21, 42332330), (30, 29632631), (35, 25399398), (42, 21166165), (70, 12699699), (71, 12520830), (105, 8466466), (109, 8155770), (142, 6260415), (210, 4233233), (213, 4173610), (218, 4077885), (327, 2718590), (355, 2504166), (426, 2086805), (497, 1788690), (545, 1631154), (547, 1625190), (654, 1359295), (710, 1252083), (763, 1165110), (994, 894345), (1065, 834722), (1090, 815577), (1094, 812595), (1491, 596230), (1526, 582555), (1635, 543718), (1641, 541730), (2130, 417361), (2289, 388370), (2485, 357738), (2735, 325038), (2982, 298115), (3270, 271859), (3282, 270865), (3815, 233022), (3829, 232170), (4578, 194185), (4970, 178869), (5470, 162519), (7455, 119246), (7630, 116511), (7658, 116085), (7739, 114870), (8205, 108346), (11445, 77674), (11487, 77390), (14910, 59623), (15478, 57435), (16410, 54173), (19145, 46434), (22890, 38837), (22974, 38695), (23217, 38290)]