64723250

素因数分解:

$2^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{157}}^1$

素因数の和:288

約数の個数: 64

約数和(自身を含む): 130437216

約数和(自身を除く): 65713966

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 97, 125, 157, 170, 194, 250, 314, 425, 485, 785, 850, 970, 1570, 1649, 2125, 2425, 2669, 3298, 3925, 4250, 4850, 5338, 7850, 8245, 12125, 13345, 15229, 16490, 19625, 24250, 26690, 30458, 39250, 41225, 66725, 76145, 82450, 133450, 152290, 206125, 258893, 333625, 380725, 412250, 517786, 667250, 761450, 1294465, 1903625, 2588930, 3807250, 6472325, 12944650, 32361625, 64723250]

約数ペア:

[(1, 64723250), (2, 32361625), (5, 12944650), (10, 6472325), (17, 3807250), (25, 2588930), (34, 1903625), (50, 1294465), (85, 761450), (97, 667250), (125, 517786), (157, 412250), (170, 380725), (194, 333625), (250, 258893), (314, 206125), (425, 152290), (485, 133450), (785, 82450), (850, 76145), (970, 66725), (1570, 41225), (1649, 39250), (2125, 30458), (2425, 26690), (2669, 24250), (3298, 19625), (3925, 16490), (4250, 15229), (4850, 13345), (5338, 12125), (7850, 8245)]