217558250

素因数分解:

$2^1\times 5^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1$

素因数の和:241

約数の個数: 128

約数和(自身を含む): 511999488

約数和(自身を除く): 294441238

約数列:

[1, 2, 5, 7, 10, 13, 14, 25, 26, 35, 50, 65, 70, 73, 91, 125, 130, 131, 146, 175, 182, 250, 262, 325, 350, 365, 455, 511, 650, 655, 730, 875, 910, 917, 949, 1022, 1310, 1625, 1703, 1750, 1825, 1834, 1898, 2275, 2555, 3250, 3275, 3406, 3650, 4550, 4585, 4745, 5110, 6550, 6643, 8515, 9125, 9170, 9490, 9563, 11375, 11921, 12775, 13286, 16375, 17030, 18250, 19126, 22750, 22925, 23725, 23842, 25550, 32750, 33215, 42575, 45850, 47450, 47815, 59605, 63875, 66430, 66941, 85150, 95630, 114625, 118625, 119210, 124319, 127750, 133882, 166075, 212875, 229250, 237250, 239075, 248638, 298025, 332150, 334705, 425750, 478150, 596050, 621595, 669410, 830375, 870233, 1195375, 1243190, 1490125, 1660750, 1673525, 1740466, 2390750, 2980250, 3107975, 3347050, 4351165, 6215950, 8367625, 8702330, 15539875, 16735250, 21755825, 31079750, 43511650, 108779125, 217558250]

約数ペア:

[(1, 217558250), (2, 108779125), (5, 43511650), (7, 31079750), (10, 21755825), (13, 16735250), (14, 15539875), (25, 8702330), (26, 8367625), (35, 6215950), (50, 4351165), (65, 3347050), (70, 3107975), (73, 2980250), (91, 2390750), (125, 1740466), (130, 1673525), (131, 1660750), (146, 1490125), (175, 1243190), (182, 1195375), (250, 870233), (262, 830375), (325, 669410), (350, 621595), (365, 596050), (455, 478150), (511, 425750), (650, 334705), (655, 332150), (730, 298025), (875, 248638), (910, 239075), (917, 237250), (949, 229250), (1022, 212875), (1310, 166075), (1625, 133882), (1703, 127750), (1750, 124319), (1825, 119210), (1834, 118625), (1898, 114625), (2275, 95630), (2555, 85150), (3250, 66941), (3275, 66430), (3406, 63875), (3650, 59605), (4550, 47815), (4585, 47450), (4745, 45850), (5110, 42575), (6550, 33215), (6643, 32750), (8515, 25550), (9125, 23842), (9170, 23725), (9490, 22925), (9563, 22750), (11375, 19126), (11921, 18250), (12775, 17030), (13286, 16375)]