371831320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{347}}^1$

素因数の和:497

約数の個数: 128

約数和(自身を含む): 992217600

約数和(自身を除く): 620386280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 43, 56, 70, 86, 89, 140, 172, 178, 215, 280, 301, 344, 347, 356, 430, 445, 602, 623, 694, 712, 860, 890, 1204, 1246, 1388, 1505, 1720, 1735, 1780, 2408, 2429, 2492, 2776, 3010, 3115, 3470, 3560, 3827, 4858, 4984, 6020, 6230, 6940, 7654, 9716, 12040, 12145, 12460, 13880, 14921, 15308, 19135, 19432, 24290, 24920, 26789, 29842, 30616, 30883, 38270, 48580, 53578, 59684, 61766, 74605, 76540, 97160, 104447, 107156, 119368, 123532, 133945, 149210, 153080, 154415, 208894, 214312, 216181, 247064, 267890, 298420, 308830, 417788, 432362, 522235, 535780, 596840, 617660, 835576, 864724, 1044470, 1071560, 1080905, 1235320, 1327969, 1729448, 2088940, 2161810, 2655938, 4177880, 4323620, 5311876, 6639845, 8647240, 9295783, 10623752, 13279690, 18591566, 26559380, 37183132, 46478915, 53118760, 74366264, 92957830, 185915660, 371831320]

約数ペア:

[(1, 371831320), (2, 185915660), (4, 92957830), (5, 74366264), (7, 53118760), (8, 46478915), (10, 37183132), (14, 26559380), (20, 18591566), (28, 13279690), (35, 10623752), (40, 9295783), (43, 8647240), (56, 6639845), (70, 5311876), (86, 4323620), (89, 4177880), (140, 2655938), (172, 2161810), (178, 2088940), (215, 1729448), (280, 1327969), (301, 1235320), (344, 1080905), (347, 1071560), (356, 1044470), (430, 864724), (445, 835576), (602, 617660), (623, 596840), (694, 535780), (712, 522235), (860, 432362), (890, 417788), (1204, 308830), (1246, 298420), (1388, 267890), (1505, 247064), (1720, 216181), (1735, 214312), (1780, 208894), (2408, 154415), (2429, 153080), (2492, 149210), (2776, 133945), (3010, 123532), (3115, 119368), (3470, 107156), (3560, 104447), (3827, 97160), (4858, 76540), (4984, 74605), (6020, 61766), (6230, 59684), (6940, 53578), (7654, 48580), (9716, 38270), (12040, 30883), (12145, 30616), (12460, 29842), (13880, 26789), (14921, 24920), (15308, 24290), (19135, 19432)]