201889980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{373}}^1$

素因数の和:516

約数の個数: 144

約数和(自身を含む): 640383744

約数和(自身を除く): 438493764

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 97, 124, 155, 180, 186, 194, 279, 291, 310, 372, 373, 388, 465, 485, 558, 582, 620, 746, 873, 930, 970, 1116, 1119, 1164, 1395, 1455, 1492, 1746, 1860, 1865, 1940, 2238, 2790, 2910, 3007, 3357, 3492, 3730, 4365, 4476, 5580, 5595, 5820, 6014, 6714, 7460, 8730, 9021, 11190, 11563, 12028, 13428, 15035, 16785, 17460, 18042, 22380, 23126, 27063, 30070, 33570, 34689, 36084, 36181, 45105, 46252, 54126, 57815, 60140, 67140, 69378, 72362, 90210, 104067, 108252, 108543, 115630, 135315, 138756, 144724, 173445, 180420, 180905, 208134, 217086, 231260, 270630, 325629, 346890, 361810, 416268, 434172, 520335, 541260, 542715, 651258, 693780, 723620, 1040670, 1085430, 1121611, 1302516, 1628145, 2081340, 2170860, 2243222, 3256290, 3364833, 4486444, 5608055, 6512580, 6729666, 10094499, 11216110, 13459332, 16824165, 20188998, 22432220, 33648330, 40377996, 50472495, 67296660, 100944990, 201889980]

約数ペア:

[(1, 201889980), (2, 100944990), (3, 67296660), (4, 50472495), (5, 40377996), (6, 33648330), (9, 22432220), (10, 20188998), (12, 16824165), (15, 13459332), (18, 11216110), (20, 10094499), (30, 6729666), (31, 6512580), (36, 5608055), (45, 4486444), (60, 3364833), (62, 3256290), (90, 2243222), (93, 2170860), (97, 2081340), (124, 1628145), (155, 1302516), (180, 1121611), (186, 1085430), (194, 1040670), (279, 723620), (291, 693780), (310, 651258), (372, 542715), (373, 541260), (388, 520335), (465, 434172), (485, 416268), (558, 361810), (582, 346890), (620, 325629), (746, 270630), (873, 231260), (930, 217086), (970, 208134), (1116, 180905), (1119, 180420), (1164, 173445), (1395, 144724), (1455, 138756), (1492, 135315), (1746, 115630), (1860, 108543), (1865, 108252), (1940, 104067), (2238, 90210), (2790, 72362), (2910, 69378), (3007, 67140), (3357, 60140), (3492, 57815), (3730, 54126), (4365, 46252), (4476, 45105), (5580, 36181), (5595, 36084), (5820, 34689), (6014, 33570), (6714, 30070), (7460, 27063), (8730, 23126), (9021, 22380), (11190, 18042), (11563, 17460), (12028, 16785), (13428, 15035)]