31647140

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{751}}^1$

素因数の和:817

約数の個数: 72

約数和(自身を含む): 79212672

約数和(自身を除く): 47565532

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 49, 70, 86, 98, 140, 172, 196, 215, 245, 301, 430, 490, 602, 751, 860, 980, 1204, 1502, 1505, 2107, 3004, 3010, 3755, 4214, 5257, 6020, 7510, 8428, 10514, 10535, 15020, 21028, 21070, 26285, 32293, 36799, 42140, 52570, 64586, 73598, 105140, 129172, 147196, 161465, 183995, 226051, 322930, 367990, 452102, 645860, 735980, 904204, 1130255, 1582357, 2260510, 3164714, 4521020, 6329428, 7911785, 15823570, 31647140]

約数ペア:

[(1, 31647140), (2, 15823570), (4, 7911785), (5, 6329428), (7, 4521020), (10, 3164714), (14, 2260510), (20, 1582357), (28, 1130255), (35, 904204), (43, 735980), (49, 645860), (70, 452102), (86, 367990), (98, 322930), (140, 226051), (172, 183995), (196, 161465), (215, 147196), (245, 129172), (301, 105140), (430, 73598), (490, 64586), (602, 52570), (751, 42140), (860, 36799), (980, 32293), (1204, 26285), (1502, 21070), (1505, 21028), (2107, 15020), (3004, 10535), (3010, 10514), (3755, 8428), (4214, 7510), (5257, 6020)]