51641865380

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{163}}^1\times {\mathrm{379}}^1\times {\mathrm{853}}^1$

素因数の和:1418

約数の個数: 144

約数和(自身を含む): 127411744320

約数和(自身を除く): 75769878940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 163, 196, 245, 326, 379, 490, 652, 758, 815, 853, 980, 1141, 1516, 1630, 1706, 1895, 2282, 2653, 3260, 3412, 3790, 4265, 4564, 5306, 5705, 5971, 7580, 7987, 8530, 10612, 11410, 11942, 13265, 15974, 17060, 18571, 22820, 23884, 26530, 29855, 31948, 37142, 39935, 41797, 53060, 59710, 61777, 74284, 79870, 83594, 92855, 119420, 123554, 139039, 159740, 167188, 185710, 208985, 247108, 278078, 308885, 323287, 371420, 417970, 432439, 556156, 617770, 646574, 695195, 835940, 864878, 973273, 1235540, 1293148, 1390390, 1616435, 1729756, 1946546, 2162195, 2263009, 2780780, 3027073, 3232870, 3893092, 4324390, 4526018, 4866365, 6054146, 6465740, 6812911, 8648780, 9052036, 9732730, 11315045, 12108292, 13625822, 15135365, 15841063, 19465460, 22630090, 27251644, 30270730, 31682126, 34064555, 45260180, 52695781, 60541460, 63364252, 68129110, 79205315, 105391562, 136258220, 158410630, 210783124, 263478905, 316821260, 368870467, 526957810, 737740934, 1053915620, 1475481868, 1844352335, 2582093269, 3688704670, 5164186538, 7377409340, 10328373076, 12910466345, 25820932690, 51641865380]

約数ペア:

[(1, 51641865380), (2, 25820932690), (4, 12910466345), (5, 10328373076), (7, 7377409340), (10, 5164186538), (14, 3688704670), (20, 2582093269), (28, 1844352335), (35, 1475481868), (49, 1053915620), (70, 737740934), (98, 526957810), (140, 368870467), (163, 316821260), (196, 263478905), (245, 210783124), (326, 158410630), (379, 136258220), (490, 105391562), (652, 79205315), (758, 68129110), (815, 63364252), (853, 60541460), (980, 52695781), (1141, 45260180), (1516, 34064555), (1630, 31682126), (1706, 30270730), (1895, 27251644), (2282, 22630090), (2653, 19465460), (3260, 15841063), (3412, 15135365), (3790, 13625822), (4265, 12108292), (4564, 11315045), (5306, 9732730), (5705, 9052036), (5971, 8648780), (7580, 6812911), (7987, 6465740), (8530, 6054146), (10612, 4866365), (11410, 4526018), (11942, 4324390), (13265, 3893092), (15974, 3232870), (17060, 3027073), (18571, 2780780), (22820, 2263009), (23884, 2162195), (26530, 1946546), (29855, 1729756), (31948, 1616435), (37142, 1390390), (39935, 1293148), (41797, 1235540), (53060, 973273), (59710, 864878), (61777, 835940), (74284, 695195), (79870, 646574), (83594, 617770), (92855, 556156), (119420, 432439), (123554, 417970), (139039, 371420), (159740, 323287), (167188, 308885), (185710, 278078), (208985, 247108)]