201784220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{331}}^1$

素因数の和:531

約数の個数: 96

約数和(自身を含む): 493952256

約数和(自身を除く): 292168036

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 163, 170, 187, 220, 326, 331, 340, 374, 652, 662, 748, 815, 935, 1324, 1630, 1655, 1793, 1870, 2771, 3260, 3310, 3586, 3641, 3740, 5542, 5627, 6620, 7172, 7282, 8965, 11084, 11254, 13855, 14564, 17930, 18205, 22508, 27710, 28135, 30481, 35860, 36410, 53953, 55420, 56270, 60962, 61897, 72820, 107906, 112540, 121924, 123794, 152405, 215812, 247588, 269765, 304810, 309485, 539530, 593483, 609620, 618970, 917201, 1079060, 1186966, 1237940, 1834402, 2373932, 2967415, 3668804, 4586005, 5934830, 9172010, 10089211, 11869660, 18344020, 20178422, 40356844, 50446055, 100892110, 201784220]

約数ペア:

[(1, 201784220), (2, 100892110), (4, 50446055), (5, 40356844), (10, 20178422), (11, 18344020), (17, 11869660), (20, 10089211), (22, 9172010), (34, 5934830), (44, 4586005), (55, 3668804), (68, 2967415), (85, 2373932), (110, 1834402), (163, 1237940), (170, 1186966), (187, 1079060), (220, 917201), (326, 618970), (331, 609620), (340, 593483), (374, 539530), (652, 309485), (662, 304810), (748, 269765), (815, 247588), (935, 215812), (1324, 152405), (1630, 123794), (1655, 121924), (1793, 112540), (1870, 107906), (2771, 72820), (3260, 61897), (3310, 60962), (3586, 56270), (3641, 55420), (3740, 53953), (5542, 36410), (5627, 35860), (6620, 30481), (7172, 28135), (7282, 27710), (8965, 22508), (11084, 18205), (11254, 17930), (13855, 14564)]