31891950

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{131}}^1\times {\mathrm{541}}^1$

素因数の和:690

約数の個数: 72

約数和(自身を含む): 86496696

約数和(自身を除く): 54604746

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 90, 131, 150, 225, 262, 393, 450, 541, 655, 786, 1082, 1179, 1310, 1623, 1965, 2358, 2705, 3246, 3275, 3930, 4869, 5410, 5895, 6550, 8115, 9738, 9825, 11790, 13525, 16230, 19650, 24345, 27050, 29475, 40575, 48690, 58950, 70871, 81150, 121725, 141742, 212613, 243450, 354355, 425226, 637839, 708710, 1063065, 1275678, 1771775, 2126130, 3189195, 3543550, 5315325, 6378390, 10630650, 15945975, 31891950]

約数ペア:

[(1, 31891950), (2, 15945975), (3, 10630650), (5, 6378390), (6, 5315325), (9, 3543550), (10, 3189195), (15, 2126130), (18, 1771775), (25, 1275678), (30, 1063065), (45, 708710), (50, 637839), (75, 425226), (90, 354355), (131, 243450), (150, 212613), (225, 141742), (262, 121725), (393, 81150), (450, 70871), (541, 58950), (655, 48690), (786, 40575), (1082, 29475), (1179, 27050), (1310, 24345), (1623, 19650), (1965, 16230), (2358, 13525), (2705, 11790), (3246, 9825), (3275, 9738), (3930, 8115), (4869, 6550), (5410, 5895)]