1900885590

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{11953}}^1$

素因数の和:12019

約数の個数: 128

約数和(自身を含む): 5508403200

約数和(自身を除く): 3607517610

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 27, 30, 31, 38, 45, 54, 57, 62, 90, 93, 95, 114, 135, 155, 171, 186, 190, 270, 279, 285, 310, 342, 465, 513, 558, 570, 589, 837, 855, 930, 1026, 1178, 1395, 1674, 1710, 1767, 2565, 2790, 2945, 3534, 4185, 5130, 5301, 5890, 8370, 8835, 10602, 11953, 15903, 17670, 23906, 26505, 31806, 35859, 53010, 59765, 71718, 79515, 107577, 119530, 159030, 179295, 215154, 227107, 322731, 358590, 370543, 454214, 537885, 645462, 681321, 741086, 1075770, 1111629, 1135535, 1362642, 1613655, 1852715, 2043963, 2223258, 2271070, 3227310, 3334887, 3406605, 3705430, 4087926, 5558145, 6131889, 6669774, 6813210, 7040317, 10004661, 10219815, 11116290, 12263778, 14080634, 16674435, 20009322, 20439630, 21120951, 30659445, 33348870, 35201585, 42241902, 50023305, 61318890, 63362853, 70403170, 100046610, 105604755, 126725706, 190088559, 211209510, 316814265, 380177118, 633628530, 950442795, 1900885590]

約数ペア:

[(1, 1900885590), (2, 950442795), (3, 633628530), (5, 380177118), (6, 316814265), (9, 211209510), (10, 190088559), (15, 126725706), (18, 105604755), (19, 100046610), (27, 70403170), (30, 63362853), (31, 61318890), (38, 50023305), (45, 42241902), (54, 35201585), (57, 33348870), (62, 30659445), (90, 21120951), (93, 20439630), (95, 20009322), (114, 16674435), (135, 14080634), (155, 12263778), (171, 11116290), (186, 10219815), (190, 10004661), (270, 7040317), (279, 6813210), (285, 6669774), (310, 6131889), (342, 5558145), (465, 4087926), (513, 3705430), (558, 3406605), (570, 3334887), (589, 3227310), (837, 2271070), (855, 2223258), (930, 2043963), (1026, 1852715), (1178, 1613655), (1395, 1362642), (1674, 1135535), (1710, 1111629), (1767, 1075770), (2565, 741086), (2790, 681321), (2945, 645462), (3534, 537885), (4185, 454214), (5130, 370543), (5301, 358590), (5890, 322731), (8370, 227107), (8835, 215154), (10602, 179295), (11953, 159030), (15903, 119530), (17670, 107577), (23906, 79515), (26505, 71718), (31806, 59765), (35859, 53010)]