82768420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{4513}}^1$

素因数の和:4660

約数の個数: 48

約数和(自身を含む): 200204928

約数和(自身を除く): 117436508

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 131, 140, 262, 524, 655, 917, 1310, 1834, 2620, 3668, 4513, 4585, 9026, 9170, 18052, 18340, 22565, 31591, 45130, 63182, 90260, 126364, 157955, 315910, 591203, 631820, 1182406, 2364812, 2956015, 4138421, 5912030, 8276842, 11824060, 16553684, 20692105, 41384210, 82768420]

約数ペア:

[(1, 82768420), (2, 41384210), (4, 20692105), (5, 16553684), (7, 11824060), (10, 8276842), (14, 5912030), (20, 4138421), (28, 2956015), (35, 2364812), (70, 1182406), (131, 631820), (140, 591203), (262, 315910), (524, 157955), (655, 126364), (917, 90260), (1310, 63182), (1834, 45130), (2620, 31591), (3668, 22565), (4513, 18340), (4585, 18052), (9026, 9170)]