205889880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{245107}}^1$

素因数の和:245128

約数の個数: 64

約数和(自身を含む): 705911040

約数和(自身を除く): 500021160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 245107, 490214, 735321, 980428, 1225535, 1470642, 1715749, 1960856, 2451070, 2941284, 3431498, 3676605, 4902140, 5147247, 5882568, 6862996, 7353210, 8578745, 9804280, 10294494, 13725992, 14706420, 17157490, 20588988, 25736235, 29412840, 34314980, 41177976, 51472470, 68629960, 102944940, 205889880]

約数ペア:

[(1, 205889880), (2, 102944940), (3, 68629960), (4, 51472470), (5, 41177976), (6, 34314980), (7, 29412840), (8, 25736235), (10, 20588988), (12, 17157490), (14, 14706420), (15, 13725992), (20, 10294494), (21, 9804280), (24, 8578745), (28, 7353210), (30, 6862996), (35, 5882568), (40, 5147247), (42, 4902140), (56, 3676605), (60, 3431498), (70, 2941284), (84, 2451070), (105, 1960856), (120, 1715749), (140, 1470642), (168, 1225535), (210, 980428), (280, 735321), (420, 490214), (840, 245107)]