1826140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1$

素因数の和:198

約数の個数: 48

約数和(自身を含む): 4191264

約数和(自身を除く): 2365124

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 41, 68, 82, 85, 131, 164, 170, 205, 262, 340, 410, 524, 655, 697, 820, 1310, 1394, 2227, 2620, 2788, 3485, 4454, 5371, 6970, 8908, 10742, 11135, 13940, 21484, 22270, 26855, 44540, 53710, 91307, 107420, 182614, 365228, 456535, 913070, 1826140]

約数ペア:

[(1, 1826140), (2, 913070), (4, 456535), (5, 365228), (10, 182614), (17, 107420), (20, 91307), (34, 53710), (41, 44540), (68, 26855), (82, 22270), (85, 21484), (131, 13940), (164, 11135), (170, 10742), (205, 8908), (262, 6970), (340, 5371), (410, 4454), (524, 3485), (655, 2788), (697, 2620), (820, 2227), (1310, 1394)]