1661566950

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{197}}^1\times {\mathrm{18743}}^1$

素因数の和:18958

約数の個数: 72

約数和(自身を含む): 4486976208

約数和(自身を除く): 2825409258

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 90, 150, 197, 225, 394, 450, 591, 985, 1182, 1773, 1970, 2955, 3546, 4925, 5910, 8865, 9850, 14775, 17730, 18743, 29550, 37486, 44325, 56229, 88650, 93715, 112458, 168687, 187430, 281145, 337374, 468575, 562290, 843435, 937150, 1405725, 1686870, 2811450, 3692371, 4217175, 7384742, 8434350, 11077113, 18461855, 22154226, 33231339, 36923710, 55385565, 66462678, 92309275, 110771130, 166156695, 184618550, 276927825, 332313390, 553855650, 830783475, 1661566950]

約数ペア:

[(1, 1661566950), (2, 830783475), (3, 553855650), (5, 332313390), (6, 276927825), (9, 184618550), (10, 166156695), (15, 110771130), (18, 92309275), (25, 66462678), (30, 55385565), (45, 36923710), (50, 33231339), (75, 22154226), (90, 18461855), (150, 11077113), (197, 8434350), (225, 7384742), (394, 4217175), (450, 3692371), (591, 2811450), (985, 1686870), (1182, 1405725), (1773, 937150), (1970, 843435), (2955, 562290), (3546, 468575), (4925, 337374), (5910, 281145), (8865, 187430), (9850, 168687), (14775, 112458), (17730, 93715), (18743, 88650), (29550, 56229), (37486, 44325)]