142790900

素因数分解:

$2^2\times 5^2\times 7^3\times {\mathrm{23}}^1\times {\mathrm{181}}^1$

素因数の和:239

約数の個数: 144

約数和(自身を含む): 379142400

約数和(自身を除く): 236351500

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 25, 28, 35, 46, 49, 50, 70, 92, 98, 100, 115, 140, 161, 175, 181, 196, 230, 245, 322, 343, 350, 362, 460, 490, 575, 644, 686, 700, 724, 805, 905, 980, 1127, 1150, 1225, 1267, 1372, 1610, 1715, 1810, 2254, 2300, 2450, 2534, 3220, 3430, 3620, 4025, 4163, 4508, 4525, 4900, 5068, 5635, 6335, 6860, 7889, 8050, 8326, 8575, 8869, 9050, 11270, 12670, 15778, 16100, 16652, 17150, 17738, 18100, 20815, 22540, 25340, 28175, 29141, 31556, 31675, 34300, 35476, 39445, 41630, 44345, 56350, 58282, 62083, 63350, 78890, 83260, 88690, 104075, 112700, 116564, 124166, 126700, 145705, 157780, 177380, 197225, 203987, 208150, 221725, 248332, 291410, 310415, 394450, 407974, 416300, 443450, 582820, 620830, 728525, 788900, 815948, 886900, 1019935, 1241660, 1427909, 1457050, 1552075, 2039870, 2855818, 2914100, 3104150, 4079740, 5099675, 5711636, 6208300, 7139545, 10199350, 14279090, 20398700, 28558180, 35697725, 71395450, 142790900]

約数ペア:

[(1, 142790900), (2, 71395450), (4, 35697725), (5, 28558180), (7, 20398700), (10, 14279090), (14, 10199350), (20, 7139545), (23, 6208300), (25, 5711636), (28, 5099675), (35, 4079740), (46, 3104150), (49, 2914100), (50, 2855818), (70, 2039870), (92, 1552075), (98, 1457050), (100, 1427909), (115, 1241660), (140, 1019935), (161, 886900), (175, 815948), (181, 788900), (196, 728525), (230, 620830), (245, 582820), (322, 443450), (343, 416300), (350, 407974), (362, 394450), (460, 310415), (490, 291410), (575, 248332), (644, 221725), (686, 208150), (700, 203987), (724, 197225), (805, 177380), (905, 157780), (980, 145705), (1127, 126700), (1150, 124166), (1225, 116564), (1267, 112700), (1372, 104075), (1610, 88690), (1715, 83260), (1810, 78890), (2254, 63350), (2300, 62083), (2450, 58282), (2534, 56350), (3220, 44345), (3430, 41630), (3620, 39445), (4025, 35476), (4163, 34300), (4508, 31675), (4525, 31556), (4900, 29141), (5068, 28175), (5635, 25340), (6335, 22540), (6860, 20815), (7889, 18100), (8050, 17738), (8326, 17150), (8575, 16652), (8869, 16100), (9050, 15778), (11270, 12670)]