248651000

素因数分解:

$2^3\times 5^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{617}}^1$

素因数の和:682

約数の個数: 128

約数和(自身を含む): 647861760

約数和(自身を除く): 399210760

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 31, 40, 50, 52, 62, 65, 100, 104, 124, 125, 130, 155, 200, 248, 250, 260, 310, 325, 403, 500, 520, 617, 620, 650, 775, 806, 1000, 1234, 1240, 1300, 1550, 1612, 1625, 2015, 2468, 2600, 3085, 3100, 3224, 3250, 3875, 4030, 4936, 6170, 6200, 6500, 7750, 8021, 8060, 10075, 12340, 13000, 15425, 15500, 16042, 16120, 19127, 20150, 24680, 30850, 31000, 32084, 38254, 40105, 40300, 50375, 61700, 64168, 76508, 77125, 80210, 80600, 95635, 100750, 123400, 153016, 154250, 160420, 191270, 200525, 201500, 248651, 308500, 320840, 382540, 401050, 403000, 478175, 497302, 617000, 765080, 802100, 956350, 994604, 1002625, 1243255, 1604200, 1912700, 1989208, 2005250, 2390875, 2486510, 3825400, 4010500, 4781750, 4973020, 6216275, 8021000, 9563500, 9946040, 12432550, 19127000, 24865100, 31081375, 49730200, 62162750, 124325500, 248651000]

約数ペア:

[(1, 248651000), (2, 124325500), (4, 62162750), (5, 49730200), (8, 31081375), (10, 24865100), (13, 19127000), (20, 12432550), (25, 9946040), (26, 9563500), (31, 8021000), (40, 6216275), (50, 4973020), (52, 4781750), (62, 4010500), (65, 3825400), (100, 2486510), (104, 2390875), (124, 2005250), (125, 1989208), (130, 1912700), (155, 1604200), (200, 1243255), (248, 1002625), (250, 994604), (260, 956350), (310, 802100), (325, 765080), (403, 617000), (500, 497302), (520, 478175), (617, 403000), (620, 401050), (650, 382540), (775, 320840), (806, 308500), (1000, 248651), (1234, 201500), (1240, 200525), (1300, 191270), (1550, 160420), (1612, 154250), (1625, 153016), (2015, 123400), (2468, 100750), (2600, 95635), (3085, 80600), (3100, 80210), (3224, 77125), (3250, 76508), (3875, 64168), (4030, 61700), (4936, 50375), (6170, 40300), (6200, 40105), (6500, 38254), (7750, 32084), (8021, 31000), (8060, 30850), (10075, 24680), (12340, 20150), (13000, 19127), (15425, 16120), (15500, 16042)]