2013982900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^2\times {\mathrm{47}}^1\times {\mathrm{1187}}^1$

素因数の和:1286

約数の個数: 108

約数和(自身を含む): 4714573248

約数和(自身を除く): 2700590348

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 47, 50, 76, 94, 95, 100, 188, 190, 235, 361, 380, 470, 475, 722, 893, 940, 950, 1175, 1187, 1444, 1786, 1805, 1900, 2350, 2374, 3572, 3610, 4465, 4700, 4748, 5935, 7220, 8930, 9025, 11870, 16967, 17860, 18050, 22325, 22553, 23740, 29675, 33934, 36100, 44650, 45106, 55789, 59350, 67868, 84835, 89300, 90212, 111578, 112765, 118700, 169670, 223156, 225530, 278945, 339340, 424175, 428507, 451060, 557890, 563825, 848350, 857014, 1059991, 1115780, 1127650, 1394725, 1696700, 1714028, 2119982, 2142535, 2255300, 2789450, 4239964, 4285070, 5299955, 5578900, 8570140, 10599910, 10712675, 20139829, 21199820, 21425350, 26499775, 40279658, 42850700, 52999550, 80559316, 100699145, 105999100, 201398290, 402796580, 503495725, 1006991450, 2013982900]

約数ペア:

[(1, 2013982900), (2, 1006991450), (4, 503495725), (5, 402796580), (10, 201398290), (19, 105999100), (20, 100699145), (25, 80559316), (38, 52999550), (47, 42850700), (50, 40279658), (76, 26499775), (94, 21425350), (95, 21199820), (100, 20139829), (188, 10712675), (190, 10599910), (235, 8570140), (361, 5578900), (380, 5299955), (470, 4285070), (475, 4239964), (722, 2789450), (893, 2255300), (940, 2142535), (950, 2119982), (1175, 1714028), (1187, 1696700), (1444, 1394725), (1786, 1127650), (1805, 1115780), (1900, 1059991), (2350, 857014), (2374, 848350), (3572, 563825), (3610, 557890), (4465, 451060), (4700, 428507), (4748, 424175), (5935, 339340), (7220, 278945), (8930, 225530), (9025, 223156), (11870, 169670), (16967, 118700), (17860, 112765), (18050, 111578), (22325, 90212), (22553, 89300), (23740, 84835), (29675, 67868), (33934, 59350), (36100, 55789), (44650, 45106)]