263038100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1$

素因数の和:226

約数の個数: 144

約数和(自身を含む): 650958336

約数和(自身を除く): 387920236

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 31, 50, 52, 61, 62, 65, 100, 107, 122, 124, 130, 155, 214, 244, 260, 305, 310, 325, 403, 428, 535, 610, 620, 650, 775, 793, 806, 1070, 1220, 1300, 1391, 1525, 1550, 1586, 1612, 1891, 2015, 2140, 2675, 2782, 3050, 3100, 3172, 3317, 3782, 3965, 4030, 5350, 5564, 6100, 6527, 6634, 6955, 7564, 7930, 8060, 9455, 10075, 10700, 13054, 13268, 13910, 15860, 16585, 18910, 19825, 20150, 24583, 26108, 27820, 32635, 33170, 34775, 37820, 39650, 40300, 43121, 47275, 49166, 65270, 66340, 69550, 79300, 82925, 84851, 86242, 94550, 98332, 122915, 130540, 139100, 163175, 165850, 169702, 172484, 189100, 202337, 215605, 245830, 326350, 331700, 339404, 404674, 424255, 431210, 491660, 614575, 652700, 809348, 848510, 862420, 1011685, 1078025, 1229150, 1697020, 2023370, 2121275, 2156050, 2458300, 2630381, 4046740, 4242550, 4312100, 5058425, 5260762, 8485100, 10116850, 10521524, 13151905, 20233700, 26303810, 52607620, 65759525, 131519050, 263038100]

約数ペア:

[(1, 263038100), (2, 131519050), (4, 65759525), (5, 52607620), (10, 26303810), (13, 20233700), (20, 13151905), (25, 10521524), (26, 10116850), (31, 8485100), (50, 5260762), (52, 5058425), (61, 4312100), (62, 4242550), (65, 4046740), (100, 2630381), (107, 2458300), (122, 2156050), (124, 2121275), (130, 2023370), (155, 1697020), (214, 1229150), (244, 1078025), (260, 1011685), (305, 862420), (310, 848510), (325, 809348), (403, 652700), (428, 614575), (535, 491660), (610, 431210), (620, 424255), (650, 404674), (775, 339404), (793, 331700), (806, 326350), (1070, 245830), (1220, 215605), (1300, 202337), (1391, 189100), (1525, 172484), (1550, 169702), (1586, 165850), (1612, 163175), (1891, 139100), (2015, 130540), (2140, 122915), (2675, 98332), (2782, 94550), (3050, 86242), (3100, 84851), (3172, 82925), (3317, 79300), (3782, 69550), (3965, 66340), (4030, 65270), (5350, 49166), (5564, 47275), (6100, 43121), (6527, 40300), (6634, 39650), (6955, 37820), (7564, 34775), (7930, 33170), (8060, 32635), (9455, 27820), (10075, 26108), (10700, 24583), (13054, 20150), (13268, 19825), (13910, 18910), (15860, 16585)]