201987900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1$

素因数の和:229

約数の個数: 216

約数和(自身を含む): 670269600

約数和(自身を除く): 468281700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 29, 30, 36, 45, 50, 58, 60, 71, 75, 87, 90, 100, 109, 116, 142, 145, 150, 174, 180, 213, 218, 225, 261, 284, 290, 300, 327, 348, 355, 426, 435, 436, 450, 522, 545, 580, 639, 654, 710, 725, 852, 870, 900, 981, 1044, 1065, 1090, 1278, 1305, 1308, 1420, 1450, 1635, 1740, 1775, 1962, 2059, 2130, 2175, 2180, 2556, 2610, 2725, 2900, 3161, 3195, 3270, 3550, 3924, 4118, 4260, 4350, 4905, 5220, 5325, 5450, 6177, 6322, 6390, 6525, 6540, 7100, 7739, 8175, 8236, 8700, 9483, 9810, 10295, 10650, 10900, 12354, 12644, 12780, 13050, 15478, 15805, 15975, 16350, 18531, 18966, 19620, 20590, 21300, 23217, 24525, 24708, 26100, 28449, 30885, 30956, 31610, 31950, 32700, 37062, 37932, 38695, 41180, 46434, 47415, 49050, 51475, 56898, 61770, 63220, 63900, 69651, 74124, 77390, 79025, 92655, 92868, 94830, 98100, 102950, 113796, 116085, 123540, 139302, 142245, 154425, 154780, 158050, 185310, 189660, 193475, 205900, 224431, 232170, 237075, 278604, 284490, 308850, 316100, 348255, 370620, 386950, 448862, 463275, 464340, 474150, 568980, 580425, 617700, 673293, 696510, 711225, 773900, 897724, 926550, 948300, 1122155, 1160850, 1346586, 1393020, 1422450, 1741275, 1853100, 2019879, 2244310, 2321700, 2693172, 2844900, 3366465, 3482550, 4039758, 4488620, 5610775, 6732930, 6965100, 8079516, 10099395, 11221550, 13465860, 16832325, 20198790, 22443100, 33664650, 40397580, 50496975, 67329300, 100993950, 201987900]

約数ペア:

[(1, 201987900), (2, 100993950), (3, 67329300), (4, 50496975), (5, 40397580), (6, 33664650), (9, 22443100), (10, 20198790), (12, 16832325), (15, 13465860), (18, 11221550), (20, 10099395), (25, 8079516), (29, 6965100), (30, 6732930), (36, 5610775), (45, 4488620), (50, 4039758), (58, 3482550), (60, 3366465), (71, 2844900), (75, 2693172), (87, 2321700), (90, 2244310), (100, 2019879), (109, 1853100), (116, 1741275), (142, 1422450), (145, 1393020), (150, 1346586), (174, 1160850), (180, 1122155), (213, 948300), (218, 926550), (225, 897724), (261, 773900), (284, 711225), (290, 696510), (300, 673293), (327, 617700), (348, 580425), (355, 568980), (426, 474150), (435, 464340), (436, 463275), (450, 448862), (522, 386950), (545, 370620), (580, 348255), (639, 316100), (654, 308850), (710, 284490), (725, 278604), (852, 237075), (870, 232170), (900, 224431), (981, 205900), (1044, 193475), (1065, 189660), (1090, 185310), (1278, 158050), (1305, 154780), (1308, 154425), (1420, 142245), (1450, 139302), (1635, 123540), (1740, 116085), (1775, 113796), (1962, 102950), (2059, 98100), (2130, 94830), (2175, 92868), (2180, 92655), (2556, 79025), (2610, 77390), (2725, 74124), (2900, 69651), (3161, 63900), (3195, 63220), (3270, 61770), (3550, 56898), (3924, 51475), (4118, 49050), (4260, 47415), (4350, 46434), (4905, 41180), (5220, 38695), (5325, 37932), (5450, 37062), (6177, 32700), (6322, 31950), (6390, 31610), (6525, 30956), (6540, 30885), (7100, 28449), (7739, 26100), (8175, 24708), (8236, 24525), (8700, 23217), (9483, 21300), (9810, 20590), (10295, 19620), (10650, 18966), (10900, 18531), (12354, 16350), (12644, 15975), (12780, 15805), (13050, 15478)]