249554340

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{6389}}^1$

素因数の和:6442

約数の個数: 144

約数和(自身を含む): 893168640

約数和(自身を除く): 643614300

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 31, 35, 36, 42, 45, 60, 62, 63, 70, 84, 90, 93, 105, 124, 126, 140, 155, 180, 186, 210, 217, 252, 279, 310, 315, 372, 420, 434, 465, 558, 620, 630, 651, 868, 930, 1085, 1116, 1260, 1302, 1395, 1860, 1953, 2170, 2604, 2790, 3255, 3906, 4340, 5580, 6389, 6510, 7812, 9765, 12778, 13020, 19167, 19530, 25556, 31945, 38334, 39060, 44723, 57501, 63890, 76668, 89446, 95835, 115002, 127780, 134169, 178892, 191670, 198059, 223615, 230004, 268338, 287505, 383340, 396118, 402507, 447230, 536676, 575010, 594177, 670845, 792236, 805014, 894460, 990295, 1150020, 1188354, 1341690, 1386413, 1610028, 1782531, 1980590, 2012535, 2376708, 2683380, 2772826, 2970885, 3565062, 3961180, 4025070, 4159239, 5545652, 5941770, 6932065, 7130124, 8050140, 8318478, 8912655, 11883540, 12477717, 13864130, 16636956, 17825310, 20796195, 24955434, 27728260, 35650620, 41592390, 49910868, 62388585, 83184780, 124777170, 249554340]

約数ペア:

[(1, 249554340), (2, 124777170), (3, 83184780), (4, 62388585), (5, 49910868), (6, 41592390), (7, 35650620), (9, 27728260), (10, 24955434), (12, 20796195), (14, 17825310), (15, 16636956), (18, 13864130), (20, 12477717), (21, 11883540), (28, 8912655), (30, 8318478), (31, 8050140), (35, 7130124), (36, 6932065), (42, 5941770), (45, 5545652), (60, 4159239), (62, 4025070), (63, 3961180), (70, 3565062), (84, 2970885), (90, 2772826), (93, 2683380), (105, 2376708), (124, 2012535), (126, 1980590), (140, 1782531), (155, 1610028), (180, 1386413), (186, 1341690), (210, 1188354), (217, 1150020), (252, 990295), (279, 894460), (310, 805014), (315, 792236), (372, 670845), (420, 594177), (434, 575010), (465, 536676), (558, 447230), (620, 402507), (630, 396118), (651, 383340), (868, 287505), (930, 268338), (1085, 230004), (1116, 223615), (1260, 198059), (1302, 191670), (1395, 178892), (1860, 134169), (1953, 127780), (2170, 115002), (2604, 95835), (2790, 89446), (3255, 76668), (3906, 63890), (4340, 57501), (5580, 44723), (6389, 39060), (6510, 38334), (7812, 31945), (9765, 25556), (12778, 19530), (13020, 19167)]