215841860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{1039}}^1$

素因数の和:1125

約数の個数: 96

約数和(自身を含む): 528353280

約数和(自身を除く): 312511420

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 47, 52, 65, 68, 85, 94, 130, 170, 188, 221, 235, 260, 340, 442, 470, 611, 799, 884, 940, 1039, 1105, 1222, 1598, 2078, 2210, 2444, 3055, 3196, 3995, 4156, 4420, 5195, 6110, 7990, 10387, 10390, 12220, 13507, 15980, 17663, 20774, 20780, 27014, 35326, 41548, 48833, 51935, 54028, 67535, 70652, 88315, 97666, 103870, 135070, 176630, 195332, 207740, 229619, 244165, 270140, 353260, 459238, 488330, 634829, 830161, 918476, 976660, 1148095, 1269658, 1660322, 2296190, 2539316, 3174145, 3320644, 4150805, 4592380, 6348290, 8301610, 10792093, 12696580, 16603220, 21584186, 43168372, 53960465, 107920930, 215841860]

約数ペア:

[(1, 215841860), (2, 107920930), (4, 53960465), (5, 43168372), (10, 21584186), (13, 16603220), (17, 12696580), (20, 10792093), (26, 8301610), (34, 6348290), (47, 4592380), (52, 4150805), (65, 3320644), (68, 3174145), (85, 2539316), (94, 2296190), (130, 1660322), (170, 1269658), (188, 1148095), (221, 976660), (235, 918476), (260, 830161), (340, 634829), (442, 488330), (470, 459238), (611, 353260), (799, 270140), (884, 244165), (940, 229619), (1039, 207740), (1105, 195332), (1222, 176630), (1598, 135070), (2078, 103870), (2210, 97666), (2444, 88315), (3055, 70652), (3196, 67535), (3995, 54028), (4156, 51935), (4420, 48833), (5195, 41548), (6110, 35326), (7990, 27014), (10387, 20780), (10390, 20774), (12220, 17663), (13507, 15980)]