308933360

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{971}}^1$

素因数の和:1122

約数の個数: 80

約数和(自身を含む): 744139872

約数和(自身を除く): 435206512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 97, 164, 194, 205, 328, 388, 410, 485, 656, 776, 820, 970, 971, 1552, 1640, 1940, 1942, 3280, 3880, 3884, 3977, 4855, 7760, 7768, 7954, 9710, 15536, 15908, 19420, 19885, 31816, 38840, 39770, 39811, 63632, 77680, 79540, 79622, 94187, 159080, 159244, 188374, 199055, 318160, 318488, 376748, 398110, 470935, 636976, 753496, 796220, 941870, 1506992, 1592440, 1883740, 3184880, 3767480, 3861667, 7534960, 7723334, 15446668, 19308335, 30893336, 38616670, 61786672, 77233340, 154466680, 308933360]

約数ペア:

[(1, 308933360), (2, 154466680), (4, 77233340), (5, 61786672), (8, 38616670), (10, 30893336), (16, 19308335), (20, 15446668), (40, 7723334), (41, 7534960), (80, 3861667), (82, 3767480), (97, 3184880), (164, 1883740), (194, 1592440), (205, 1506992), (328, 941870), (388, 796220), (410, 753496), (485, 636976), (656, 470935), (776, 398110), (820, 376748), (970, 318488), (971, 318160), (1552, 199055), (1640, 188374), (1940, 159244), (1942, 159080), (3280, 94187), (3880, 79622), (3884, 79540), (3977, 77680), (4855, 63632), (7760, 39811), (7768, 39770), (7954, 38840), (9710, 31816), (15536, 19885), (15908, 19420)]