891337540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{1487}}^1$

素因数の和:1597

約数の個数: 96

約数和(自身を含む): 2078866944

約数和(自身を除く): 1187529404

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 41, 43, 68, 82, 85, 86, 164, 170, 172, 205, 215, 340, 410, 430, 697, 731, 820, 860, 1394, 1462, 1487, 1763, 2788, 2924, 2974, 3485, 3526, 3655, 5948, 6970, 7052, 7310, 7435, 8815, 13940, 14620, 14870, 17630, 25279, 29740, 29971, 35260, 50558, 59942, 60967, 63941, 101116, 119884, 121934, 126395, 127882, 149855, 243868, 252790, 255764, 299710, 304835, 319705, 505580, 599420, 609670, 639410, 1036439, 1086997, 1219340, 1278820, 2072878, 2173994, 2621581, 4145756, 4347988, 5182195, 5243162, 5434985, 10364390, 10486324, 10869970, 13107905, 20728780, 21739940, 26215810, 44566877, 52431620, 89133754, 178267508, 222834385, 445668770, 891337540]

約数ペア:

[(1, 891337540), (2, 445668770), (4, 222834385), (5, 178267508), (10, 89133754), (17, 52431620), (20, 44566877), (34, 26215810), (41, 21739940), (43, 20728780), (68, 13107905), (82, 10869970), (85, 10486324), (86, 10364390), (164, 5434985), (170, 5243162), (172, 5182195), (205, 4347988), (215, 4145756), (340, 2621581), (410, 2173994), (430, 2072878), (697, 1278820), (731, 1219340), (820, 1086997), (860, 1036439), (1394, 639410), (1462, 609670), (1487, 599420), (1763, 505580), (2788, 319705), (2924, 304835), (2974, 299710), (3485, 255764), (3526, 252790), (3655, 243868), (5948, 149855), (6970, 127882), (7052, 126395), (7310, 121934), (7435, 119884), (8815, 101116), (13940, 63941), (14620, 60967), (14870, 59942), (17630, 50558), (25279, 35260), (29740, 29971)]