1277900100

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{74731}}^1$

素因数の和:74770

約数の個数: 108

約数和(自身を含む): 4216379440

約数和(自身を除く): 2938479340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 25, 30, 36, 38, 45, 50, 57, 60, 75, 76, 90, 95, 100, 114, 150, 171, 180, 190, 225, 228, 285, 300, 342, 380, 450, 475, 570, 684, 855, 900, 950, 1140, 1425, 1710, 1900, 2850, 3420, 4275, 5700, 8550, 17100, 74731, 149462, 224193, 298924, 373655, 448386, 672579, 747310, 896772, 1120965, 1345158, 1419889, 1494620, 1868275, 2241930, 2690316, 2839778, 3362895, 3736550, 4259667, 4483860, 5604825, 5679556, 6725790, 7099445, 7473100, 8519334, 11209650, 12779001, 13451580, 14198890, 16814475, 17038668, 21298335, 22419300, 25558002, 28397780, 33628950, 35497225, 42596670, 51116004, 63895005, 67257900, 70994450, 85193340, 106491675, 127790010, 141988900, 212983350, 255580020, 319475025, 425966700, 638950050, 1277900100]

約数ペア:

[(1, 1277900100), (2, 638950050), (3, 425966700), (4, 319475025), (5, 255580020), (6, 212983350), (9, 141988900), (10, 127790010), (12, 106491675), (15, 85193340), (18, 70994450), (19, 67257900), (20, 63895005), (25, 51116004), (30, 42596670), (36, 35497225), (38, 33628950), (45, 28397780), (50, 25558002), (57, 22419300), (60, 21298335), (75, 17038668), (76, 16814475), (90, 14198890), (95, 13451580), (100, 12779001), (114, 11209650), (150, 8519334), (171, 7473100), (180, 7099445), (190, 6725790), (225, 5679556), (228, 5604825), (285, 4483860), (300, 4259667), (342, 3736550), (380, 3362895), (450, 2839778), (475, 2690316), (570, 2241930), (684, 1868275), (855, 1494620), (900, 1419889), (950, 1345158), (1140, 1120965), (1425, 896772), (1710, 747310), (1900, 672579), (2850, 448386), (3420, 373655), (4275, 298924), (5700, 224193), (8550, 149462), (17100, 74731)]