251285273980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1\times {\mathrm{130447}}^1$

素因数の和:130739

約数の個数: 96

約数和(自身を含む): 589082296320

約数和(自身を除く): 337797022340

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 239, 260, 310, 403, 478, 620, 806, 956, 1195, 1612, 2015, 2390, 3107, 4030, 4780, 6214, 7409, 8060, 12428, 14818, 15535, 29636, 31070, 37045, 62140, 74090, 96317, 130447, 148180, 192634, 260894, 385268, 481585, 521788, 652235, 963170, 1304470, 1695811, 1926340, 2608940, 3391622, 4043857, 6783244, 8087714, 8479055, 16175428, 16958110, 20219285, 31176833, 33916220, 40438570, 52570141, 62353666, 80877140, 105140282, 124707332, 155884165, 210280564, 262850705, 311768330, 405298829, 525701410, 623536660, 810597658, 966481823, 1051402820, 1621195316, 1932963646, 2026494145, 3865927292, 4052988290, 4832409115, 8105976580, 9664818230, 12564263699, 19329636460, 25128527398, 50257054796, 62821318495, 125642636990, 251285273980]

約数ペア:

[(1, 251285273980), (2, 125642636990), (4, 62821318495), (5, 50257054796), (10, 25128527398), (13, 19329636460), (20, 12564263699), (26, 9664818230), (31, 8105976580), (52, 4832409115), (62, 4052988290), (65, 3865927292), (124, 2026494145), (130, 1932963646), (155, 1621195316), (239, 1051402820), (260, 966481823), (310, 810597658), (403, 623536660), (478, 525701410), (620, 405298829), (806, 311768330), (956, 262850705), (1195, 210280564), (1612, 155884165), (2015, 124707332), (2390, 105140282), (3107, 80877140), (4030, 62353666), (4780, 52570141), (6214, 40438570), (7409, 33916220), (8060, 31176833), (12428, 20219285), (14818, 16958110), (15535, 16175428), (29636, 8479055), (31070, 8087714), (37045, 6783244), (62140, 4043857), (74090, 3391622), (96317, 2608940), (130447, 1926340), (148180, 1695811), (192634, 1304470), (260894, 963170), (385268, 652235), (481585, 521788)]