202520920

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{29}}^1\times {\mathrm{509}}^1$

素因数の和:570

約数の個数: 128

約数和(自身を含む): 550800000

約数和(自身を除く): 348279080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 49, 56, 58, 70, 98, 116, 140, 145, 196, 203, 232, 245, 280, 290, 343, 392, 406, 490, 509, 580, 686, 812, 980, 1015, 1018, 1160, 1372, 1421, 1624, 1715, 1960, 2030, 2036, 2545, 2744, 2842, 3430, 3563, 4060, 4072, 5090, 5684, 6860, 7105, 7126, 8120, 9947, 10180, 11368, 13720, 14210, 14252, 14761, 17815, 19894, 20360, 24941, 28420, 28504, 29522, 35630, 39788, 49735, 49882, 56840, 59044, 71260, 73805, 79576, 99470, 99764, 103327, 118088, 124705, 142520, 147610, 174587, 198940, 199528, 206654, 249410, 295220, 349174, 397880, 413308, 498820, 516635, 590440, 698348, 723289, 826616, 872935, 997640, 1033270, 1396696, 1446578, 1745870, 2066540, 2893156, 3491740, 3616445, 4133080, 5063023, 5786312, 6983480, 7232890, 10126046, 14465780, 20252092, 25315115, 28931560, 40504184, 50630230, 101260460, 202520920]

約数ペア:

[(1, 202520920), (2, 101260460), (4, 50630230), (5, 40504184), (7, 28931560), (8, 25315115), (10, 20252092), (14, 14465780), (20, 10126046), (28, 7232890), (29, 6983480), (35, 5786312), (40, 5063023), (49, 4133080), (56, 3616445), (58, 3491740), (70, 2893156), (98, 2066540), (116, 1745870), (140, 1446578), (145, 1396696), (196, 1033270), (203, 997640), (232, 872935), (245, 826616), (280, 723289), (290, 698348), (343, 590440), (392, 516635), (406, 498820), (490, 413308), (509, 397880), (580, 349174), (686, 295220), (812, 249410), (980, 206654), (1015, 199528), (1018, 198940), (1160, 174587), (1372, 147610), (1421, 142520), (1624, 124705), (1715, 118088), (1960, 103327), (2030, 99764), (2036, 99470), (2545, 79576), (2744, 73805), (2842, 71260), (3430, 59044), (3563, 56840), (4060, 49882), (4072, 49735), (5090, 39788), (5684, 35630), (6860, 29522), (7105, 28504), (7126, 28420), (8120, 24941), (9947, 20360), (10180, 19894), (11368, 17815), (13720, 14761), (14210, 14252)]