2812618940

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^2\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1$

素因数の和:276

約数の個数: 144

約数和(自身を含む): 6521860800

約数和(自身を除く): 3709241860

約数列:

[1, 2, 4, 5, 10, 20, 23, 29, 46, 58, 89, 92, 103, 115, 116, 145, 178, 206, 230, 290, 356, 412, 445, 460, 515, 529, 580, 667, 890, 1030, 1058, 1334, 1780, 2047, 2060, 2116, 2369, 2581, 2645, 2668, 2987, 3335, 4094, 4738, 5162, 5290, 5974, 6670, 8188, 9167, 9476, 10235, 10324, 10580, 11845, 11948, 12905, 13340, 14935, 15341, 18334, 20470, 23690, 25810, 29870, 30682, 36668, 40940, 45835, 47081, 47380, 51620, 54487, 59363, 59740, 61364, 68701, 76705, 91670, 94162, 108974, 118726, 137402, 153410, 183340, 188324, 210841, 217948, 235405, 237452, 265843, 272435, 274804, 296815, 306820, 343505, 421682, 470810, 531686, 544870, 593630, 687010, 843364, 941620, 1054205, 1063372, 1089740, 1187260, 1329215, 1365349, 1374020, 1580123, 2108410, 2658430, 2730698, 3160246, 4216820, 4849343, 5316860, 5461396, 6114389, 6320492, 6826745, 7900615, 9698686, 12228778, 13653490, 15801230, 19397372, 24246715, 24457556, 27306980, 30571945, 31602460, 48493430, 61143890, 96986860, 122287780, 140630947, 281261894, 562523788, 703154735, 1406309470, 2812618940]

約数ペア:

[(1, 2812618940), (2, 1406309470), (4, 703154735), (5, 562523788), (10, 281261894), (20, 140630947), (23, 122287780), (29, 96986860), (46, 61143890), (58, 48493430), (89, 31602460), (92, 30571945), (103, 27306980), (115, 24457556), (116, 24246715), (145, 19397372), (178, 15801230), (206, 13653490), (230, 12228778), (290, 9698686), (356, 7900615), (412, 6826745), (445, 6320492), (460, 6114389), (515, 5461396), (529, 5316860), (580, 4849343), (667, 4216820), (890, 3160246), (1030, 2730698), (1058, 2658430), (1334, 2108410), (1780, 1580123), (2047, 1374020), (2060, 1365349), (2116, 1329215), (2369, 1187260), (2581, 1089740), (2645, 1063372), (2668, 1054205), (2987, 941620), (3335, 843364), (4094, 687010), (4738, 593630), (5162, 544870), (5290, 531686), (5974, 470810), (6670, 421682), (8188, 343505), (9167, 306820), (9476, 296815), (10235, 274804), (10324, 272435), (10580, 265843), (11845, 237452), (11948, 235405), (12905, 217948), (13340, 210841), (14935, 188324), (15341, 183340), (18334, 153410), (20470, 137402), (23690, 118726), (25810, 108974), (29870, 94162), (30682, 91670), (36668, 76705), (40940, 68701), (45835, 61364), (47081, 59740), (47380, 59363), (51620, 54487)]