207988300

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{397}}^1$

素因数の和:468

約数の個数: 108

約数和(自身を含む): 505759296

約数和(自身を除く): 297770996

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 31, 50, 52, 62, 65, 100, 124, 130, 155, 169, 260, 310, 325, 338, 397, 403, 620, 650, 676, 775, 794, 806, 845, 1300, 1550, 1588, 1612, 1690, 1985, 2015, 3100, 3380, 3970, 4030, 4225, 5161, 5239, 7940, 8060, 8450, 9925, 10075, 10322, 10478, 12307, 16900, 19850, 20150, 20644, 20956, 24614, 25805, 26195, 39700, 40300, 49228, 51610, 52390, 61535, 67093, 103220, 104780, 123070, 129025, 130975, 134186, 159991, 246140, 258050, 261950, 268372, 307675, 319982, 335465, 516100, 523900, 615350, 639964, 670930, 799955, 1230700, 1341860, 1599910, 1677325, 2079883, 3199820, 3354650, 3999775, 4159766, 6709300, 7999550, 8319532, 10399415, 15999100, 20798830, 41597660, 51997075, 103994150, 207988300]

約数ペア:

[(1, 207988300), (2, 103994150), (4, 51997075), (5, 41597660), (10, 20798830), (13, 15999100), (20, 10399415), (25, 8319532), (26, 7999550), (31, 6709300), (50, 4159766), (52, 3999775), (62, 3354650), (65, 3199820), (100, 2079883), (124, 1677325), (130, 1599910), (155, 1341860), (169, 1230700), (260, 799955), (310, 670930), (325, 639964), (338, 615350), (397, 523900), (403, 516100), (620, 335465), (650, 319982), (676, 307675), (775, 268372), (794, 261950), (806, 258050), (845, 246140), (1300, 159991), (1550, 134186), (1588, 130975), (1612, 129025), (1690, 123070), (1985, 104780), (2015, 103220), (3100, 67093), (3380, 61535), (3970, 52390), (4030, 51610), (4225, 49228), (5161, 40300), (5239, 39700), (7940, 26195), (8060, 25805), (8450, 24614), (9925, 20956), (10075, 20644), (10322, 20150), (10478, 19850), (12307, 16900)]