28299880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{1907}}^1$

素因数の和:1978

約数の個数: 64

約数和(自身を含む): 74183040

約数和(自身を除く): 45883160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 53, 56, 70, 106, 140, 212, 265, 280, 371, 424, 530, 742, 1060, 1484, 1855, 1907, 2120, 2968, 3710, 3814, 7420, 7628, 9535, 13349, 14840, 15256, 19070, 26698, 38140, 53396, 66745, 76280, 101071, 106792, 133490, 202142, 266980, 404284, 505355, 533960, 707497, 808568, 1010710, 1414994, 2021420, 2829988, 3537485, 4042840, 5659976, 7074970, 14149940, 28299880]

約数ペア:

[(1, 28299880), (2, 14149940), (4, 7074970), (5, 5659976), (7, 4042840), (8, 3537485), (10, 2829988), (14, 2021420), (20, 1414994), (28, 1010710), (35, 808568), (40, 707497), (53, 533960), (56, 505355), (70, 404284), (106, 266980), (140, 202142), (212, 133490), (265, 106792), (280, 101071), (371, 76280), (424, 66745), (530, 53396), (742, 38140), (1060, 26698), (1484, 19070), (1855, 15256), (1907, 14840), (2120, 13349), (2968, 9535), (3710, 7628), (3814, 7420)]