291259810

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{457}}^1$

素因数の和:667

約数の個数: 64

約数和(自身を含む): 584070912

約数和(自身を除く): 292811102

約数列:

[1, 2, 5, 10, 17, 23, 34, 46, 85, 115, 163, 170, 230, 326, 391, 457, 782, 815, 914, 1630, 1955, 2285, 2771, 3749, 3910, 4570, 5542, 7498, 7769, 10511, 13855, 15538, 18745, 21022, 27710, 37490, 38845, 52555, 63733, 74491, 77690, 105110, 127466, 148982, 178687, 318665, 357374, 372455, 637330, 744910, 893435, 1266347, 1713293, 1786870, 2532694, 3426586, 6331735, 8566465, 12663470, 17132930, 29125981, 58251962, 145629905, 291259810]

約数ペア:

[(1, 291259810), (2, 145629905), (5, 58251962), (10, 29125981), (17, 17132930), (23, 12663470), (34, 8566465), (46, 6331735), (85, 3426586), (115, 2532694), (163, 1786870), (170, 1713293), (230, 1266347), (326, 893435), (391, 744910), (457, 637330), (782, 372455), (815, 357374), (914, 318665), (1630, 178687), (1955, 148982), (2285, 127466), (2771, 105110), (3749, 77690), (3910, 74491), (4570, 63733), (5542, 52555), (7498, 38845), (7769, 37490), (10511, 27710), (13855, 21022), (15538, 18745)]