29809480

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{643}}^1$

素因数の和:734

約数の個数: 64

約数和(自身を含む): 71870400

約数和(自身を除く): 42060920

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 61, 76, 95, 122, 152, 190, 244, 305, 380, 488, 610, 643, 760, 1159, 1220, 1286, 2318, 2440, 2572, 3215, 4636, 5144, 5795, 6430, 9272, 11590, 12217, 12860, 23180, 24434, 25720, 39223, 46360, 48868, 61085, 78446, 97736, 122170, 156892, 196115, 244340, 313784, 392230, 488680, 745237, 784460, 1490474, 1568920, 2980948, 3726185, 5961896, 7452370, 14904740, 29809480]

約数ペア:

[(1, 29809480), (2, 14904740), (4, 7452370), (5, 5961896), (8, 3726185), (10, 2980948), (19, 1568920), (20, 1490474), (38, 784460), (40, 745237), (61, 488680), (76, 392230), (95, 313784), (122, 244340), (152, 196115), (190, 156892), (244, 122170), (305, 97736), (380, 78446), (488, 61085), (610, 48868), (643, 46360), (760, 39223), (1159, 25720), (1220, 24434), (1286, 23180), (2318, 12860), (2440, 12217), (2572, 11590), (3215, 9272), (4636, 6430), (5144, 5795)]