1900501100

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{151}}^1\times {\mathrm{2927}}^1$

素因数の和:3135

約数の個数: 72

約数和(自身を含む): 4249394688

約数和(自身を除く): 2348893588

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 100, 151, 172, 215, 302, 430, 604, 755, 860, 1075, 1510, 2150, 2927, 3020, 3775, 4300, 5854, 6493, 7550, 11708, 12986, 14635, 15100, 25972, 29270, 32465, 58540, 64930, 73175, 125861, 129860, 146350, 162325, 251722, 292700, 324650, 441977, 503444, 629305, 649300, 883954, 1258610, 1767908, 2209885, 2517220, 3146525, 4419770, 6293050, 8839540, 11049425, 12586100, 19005011, 22098850, 38010022, 44197700, 76020044, 95025055, 190050110, 380100220, 475125275, 950250550, 1900501100]

約数ペア:

[(1, 1900501100), (2, 950250550), (4, 475125275), (5, 380100220), (10, 190050110), (20, 95025055), (25, 76020044), (43, 44197700), (50, 38010022), (86, 22098850), (100, 19005011), (151, 12586100), (172, 11049425), (215, 8839540), (302, 6293050), (430, 4419770), (604, 3146525), (755, 2517220), (860, 2209885), (1075, 1767908), (1510, 1258610), (2150, 883954), (2927, 649300), (3020, 629305), (3775, 503444), (4300, 441977), (5854, 324650), (6493, 292700), (7550, 251722), (11708, 162325), (12986, 146350), (14635, 129860), (15100, 125861), (25972, 73175), (29270, 64930), (32465, 58540)]