918789870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{409}}^1\times {\mathrm{727}}^1$

素因数の和:1249

約数の個数: 64

約数和(自身を含む): 2235018240

約数和(自身を除く): 1316228370

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 103, 206, 309, 409, 515, 618, 727, 818, 1030, 1227, 1454, 1545, 2045, 2181, 2454, 3090, 3635, 4090, 4362, 6135, 7270, 10905, 12270, 21810, 42127, 74881, 84254, 126381, 149762, 210635, 224643, 252762, 297343, 374405, 421270, 449286, 594686, 631905, 748810, 892029, 1123215, 1263810, 1486715, 1784058, 2246430, 2973430, 4460145, 8920290, 30626329, 61252658, 91878987, 153131645, 183757974, 306263290, 459394935, 918789870]

約数ペア:

[(1, 918789870), (2, 459394935), (3, 306263290), (5, 183757974), (6, 153131645), (10, 91878987), (15, 61252658), (30, 30626329), (103, 8920290), (206, 4460145), (309, 2973430), (409, 2246430), (515, 1784058), (618, 1486715), (727, 1263810), (818, 1123215), (1030, 892029), (1227, 748810), (1454, 631905), (1545, 594686), (2045, 449286), (2181, 421270), (2454, 374405), (3090, 297343), (3635, 252762), (4090, 224643), (4362, 210635), (6135, 149762), (7270, 126381), (10905, 84254), (12270, 74881), (21810, 42127)]