1855263380

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{1123}}^1$

素因数の和:1305

約数の個数: 96

約数和(自身を含む): 4262315904

約数和(自身を除く): 2407052524

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 43, 68, 85, 86, 113, 170, 172, 215, 226, 340, 430, 452, 565, 731, 860, 1123, 1130, 1462, 1921, 2246, 2260, 2924, 3655, 3842, 4492, 4859, 5615, 7310, 7684, 9605, 9718, 11230, 14620, 19091, 19210, 19436, 22460, 24295, 38182, 38420, 48289, 48590, 76364, 82603, 95455, 96578, 97180, 126899, 165206, 190910, 193156, 241445, 253798, 330412, 381820, 413015, 482890, 507596, 634495, 820913, 826030, 965780, 1268990, 1641826, 1652060, 2157283, 2537980, 3283652, 4104565, 4314566, 5456657, 8209130, 8629132, 10786415, 10913314, 16418260, 21572830, 21826628, 27283285, 43145660, 54566570, 92763169, 109133140, 185526338, 371052676, 463815845, 927631690, 1855263380]

約数ペア:

[(1, 1855263380), (2, 927631690), (4, 463815845), (5, 371052676), (10, 185526338), (17, 109133140), (20, 92763169), (34, 54566570), (43, 43145660), (68, 27283285), (85, 21826628), (86, 21572830), (113, 16418260), (170, 10913314), (172, 10786415), (215, 8629132), (226, 8209130), (340, 5456657), (430, 4314566), (452, 4104565), (565, 3283652), (731, 2537980), (860, 2157283), (1123, 1652060), (1130, 1641826), (1462, 1268990), (1921, 965780), (2246, 826030), (2260, 820913), (2924, 634495), (3655, 507596), (3842, 482890), (4492, 413015), (4859, 381820), (5615, 330412), (7310, 253798), (7684, 241445), (9605, 193156), (9718, 190910), (11230, 165206), (14620, 126899), (19091, 97180), (19210, 96578), (19436, 95455), (22460, 82603), (24295, 76364), (38182, 48590), (38420, 48289)]