28640010

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{19483}}^1$

素因数の和:19507

約数の個数: 48

約数和(自身を含む): 79962336

約数和(自身を除く): 51322326

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 105, 147, 210, 245, 294, 490, 735, 1470, 19483, 38966, 58449, 97415, 116898, 136381, 194830, 272762, 292245, 409143, 584490, 681905, 818286, 954667, 1363810, 1909334, 2045715, 2864001, 4091430, 4773335, 5728002, 9546670, 14320005, 28640010]

約数ペア:

[(1, 28640010), (2, 14320005), (3, 9546670), (5, 5728002), (6, 4773335), (7, 4091430), (10, 2864001), (14, 2045715), (15, 1909334), (21, 1363810), (30, 954667), (35, 818286), (42, 681905), (49, 584490), (70, 409143), (98, 292245), (105, 272762), (147, 194830), (210, 136381), (245, 116898), (294, 97415), (490, 58449), (735, 38966), (1470, 19483)]