39991950

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{181}}^1\times {\mathrm{491}}^1$

素因数の和:690

約数の個数: 72

約数和(自身を含む): 108258696

約数和(自身を除く): 68266746

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 90, 150, 181, 225, 362, 450, 491, 543, 905, 982, 1086, 1473, 1629, 1810, 2455, 2715, 2946, 3258, 4419, 4525, 4910, 5430, 7365, 8145, 8838, 9050, 12275, 13575, 14730, 16290, 22095, 24550, 27150, 36825, 40725, 44190, 73650, 81450, 88871, 110475, 177742, 220950, 266613, 444355, 533226, 799839, 888710, 1333065, 1599678, 2221775, 2666130, 3999195, 4443550, 6665325, 7998390, 13330650, 19995975, 39991950]

約数ペア:

[(1, 39991950), (2, 19995975), (3, 13330650), (5, 7998390), (6, 6665325), (9, 4443550), (10, 3999195), (15, 2666130), (18, 2221775), (25, 1599678), (30, 1333065), (45, 888710), (50, 799839), (75, 533226), (90, 444355), (150, 266613), (181, 220950), (225, 177742), (362, 110475), (450, 88871), (491, 81450), (543, 73650), (905, 44190), (982, 40725), (1086, 36825), (1473, 27150), (1629, 24550), (1810, 22095), (2455, 16290), (2715, 14730), (2946, 13575), (3258, 12275), (4419, 9050), (4525, 8838), (4910, 8145), (5430, 7365)]