780940220

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{74093}}^1$

素因数の和:74150

約数の個数: 48

約数和(自身を含む): 1792482048

約数和(自身を除く): 1011541828

約数列:

[1, 2, 4, 5, 10, 17, 20, 31, 34, 62, 68, 85, 124, 155, 170, 310, 340, 527, 620, 1054, 2108, 2635, 5270, 10540, 74093, 148186, 296372, 370465, 740930, 1259581, 1481860, 2296883, 2519162, 4593766, 5038324, 6297905, 9187532, 11484415, 12595810, 22968830, 25191620, 39047011, 45937660, 78094022, 156188044, 195235055, 390470110, 780940220]

約数ペア:

[(1, 780940220), (2, 390470110), (4, 195235055), (5, 156188044), (10, 78094022), (17, 45937660), (20, 39047011), (31, 25191620), (34, 22968830), (62, 12595810), (68, 11484415), (85, 9187532), (124, 6297905), (155, 5038324), (170, 4593766), (310, 2519162), (340, 2296883), (527, 1481860), (620, 1259581), (1054, 740930), (2108, 370465), (2635, 296372), (5270, 148186), (10540, 74093)]