213702920

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{2399}}^1$

素因数の和:2558

約数の個数: 64

約数和(自身を含む): 513216000

約数和(自身を除く): 299513080

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 131, 136, 170, 262, 340, 524, 655, 680, 1048, 1310, 2227, 2399, 2620, 4454, 4798, 5240, 8908, 9596, 11135, 11995, 17816, 19192, 22270, 23990, 40783, 44540, 47980, 81566, 89080, 95960, 163132, 203915, 314269, 326264, 407830, 628538, 815660, 1257076, 1571345, 1631320, 2514152, 3142690, 5342573, 6285380, 10685146, 12570760, 21370292, 26712865, 42740584, 53425730, 106851460, 213702920]

約数ペア:

[(1, 213702920), (2, 106851460), (4, 53425730), (5, 42740584), (8, 26712865), (10, 21370292), (17, 12570760), (20, 10685146), (34, 6285380), (40, 5342573), (68, 3142690), (85, 2514152), (131, 1631320), (136, 1571345), (170, 1257076), (262, 815660), (340, 628538), (524, 407830), (655, 326264), (680, 314269), (1048, 203915), (1310, 163132), (2227, 95960), (2399, 89080), (2620, 81566), (4454, 47980), (4798, 44540), (5240, 40783), (8908, 23990), (9596, 22270), (11135, 19192), (11995, 17816)]