264216820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{359}}^1\times {\mathrm{751}}^1$

素因数の和:1133

約数の個数: 72

約数和(自身を含む): 648103680

約数和(自身を除く): 383886860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 359, 490, 718, 751, 980, 1436, 1502, 1795, 2513, 3004, 3590, 3755, 5026, 5257, 7180, 7510, 10052, 10514, 12565, 15020, 17591, 21028, 25130, 26285, 35182, 36799, 50260, 52570, 70364, 73598, 87955, 105140, 147196, 175910, 183995, 269609, 351820, 367990, 539218, 735980, 1078436, 1348045, 1887263, 2696090, 3774526, 5392180, 7549052, 9436315, 13210841, 18872630, 26421682, 37745260, 52843364, 66054205, 132108410, 264216820]

約数ペア:

[(1, 264216820), (2, 132108410), (4, 66054205), (5, 52843364), (7, 37745260), (10, 26421682), (14, 18872630), (20, 13210841), (28, 9436315), (35, 7549052), (49, 5392180), (70, 3774526), (98, 2696090), (140, 1887263), (196, 1348045), (245, 1078436), (359, 735980), (490, 539218), (718, 367990), (751, 351820), (980, 269609), (1436, 183995), (1502, 175910), (1795, 147196), (2513, 105140), (3004, 87955), (3590, 73598), (3755, 70364), (5026, 52570), (5257, 50260), (7180, 36799), (7510, 35182), (10052, 26285), (10514, 25130), (12565, 21028), (15020, 17591)]