18261400

素因数分解:

$2^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1$

素因数の和:205

約数の個数: 96

約数和(自身を含む): 46403280

約数和(自身を除く): 28141880

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 25, 34, 40, 41, 50, 68, 82, 85, 100, 131, 136, 164, 170, 200, 205, 262, 328, 340, 410, 425, 524, 655, 680, 697, 820, 850, 1025, 1048, 1310, 1394, 1640, 1700, 2050, 2227, 2620, 2788, 3275, 3400, 3485, 4100, 4454, 5240, 5371, 5576, 6550, 6970, 8200, 8908, 10742, 11135, 13100, 13940, 17425, 17816, 21484, 22270, 26200, 26855, 27880, 34850, 42968, 44540, 53710, 55675, 69700, 89080, 91307, 107420, 111350, 134275, 139400, 182614, 214840, 222700, 268550, 365228, 445400, 456535, 537100, 730456, 913070, 1074200, 1826140, 2282675, 3652280, 4565350, 9130700, 18261400]

約数ペア:

[(1, 18261400), (2, 9130700), (4, 4565350), (5, 3652280), (8, 2282675), (10, 1826140), (17, 1074200), (20, 913070), (25, 730456), (34, 537100), (40, 456535), (41, 445400), (50, 365228), (68, 268550), (82, 222700), (85, 214840), (100, 182614), (131, 139400), (136, 134275), (164, 111350), (170, 107420), (200, 91307), (205, 89080), (262, 69700), (328, 55675), (340, 53710), (410, 44540), (425, 42968), (524, 34850), (655, 27880), (680, 26855), (697, 26200), (820, 22270), (850, 21484), (1025, 17816), (1048, 17425), (1310, 13940), (1394, 13100), (1640, 11135), (1700, 10742), (2050, 8908), (2227, 8200), (2620, 6970), (2788, 6550), (3275, 5576), (3400, 5371), (3485, 5240), (4100, 4454)]