1298981300

素因数分解:

$2^2\times 5^2\times {\mathrm{47}}^1\times {\mathrm{313}}^1\times {\mathrm{883}}^1$

素因数の和:1257

約数の個数: 72

約数和(自身を含む): 2891231616

約数和(自身を除く): 1592250316

約数列:

[1, 2, 4, 5, 10, 20, 25, 47, 50, 94, 100, 188, 235, 313, 470, 626, 883, 940, 1175, 1252, 1565, 1766, 2350, 3130, 3532, 4415, 4700, 6260, 7825, 8830, 14711, 15650, 17660, 22075, 29422, 31300, 41501, 44150, 58844, 73555, 83002, 88300, 147110, 166004, 207505, 276379, 294220, 367775, 415010, 552758, 735550, 830020, 1037525, 1105516, 1381895, 1471100, 2075050, 2763790, 4150100, 5527580, 6909475, 12989813, 13818950, 25979626, 27637900, 51959252, 64949065, 129898130, 259796260, 324745325, 649490650, 1298981300]

約数ペア:

[(1, 1298981300), (2, 649490650), (4, 324745325), (5, 259796260), (10, 129898130), (20, 64949065), (25, 51959252), (47, 27637900), (50, 25979626), (94, 13818950), (100, 12989813), (188, 6909475), (235, 5527580), (313, 4150100), (470, 2763790), (626, 2075050), (883, 1471100), (940, 1381895), (1175, 1105516), (1252, 1037525), (1565, 830020), (1766, 735550), (2350, 552758), (3130, 415010), (3532, 367775), (4415, 294220), (4700, 276379), (6260, 207505), (7825, 166004), (8830, 147110), (14711, 88300), (15650, 83002), (17660, 73555), (22075, 58844), (29422, 44150), (31300, 41501)]