28742910

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{19553}}^1$

素因数の和:19577

約数の個数: 48

約数和(自身を含む): 80249616

約数和(自身を除く): 51506706

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, 19553, 39106, 58659, 97765, 117318, 136871, 195530, 273742, 293295, 410613, 586590, 684355, 821226, 958097, 1368710, 1916194, 2053065, 2874291, 4106130, 4790485, 5748582, 9580970, 14371455, 28742910]

約数ペア:

[(1, 28742910), (2, 14371455), (3, 9580970), (5, 5748582), (6, 4790485), (7, 4106130), (10, 2874291), (14, 2053065), (15, 1916194), (21, 1368710), (30, 958097), (35, 821226), (42, 684355), (49, 586590), (70, 410613), (98, 293295), (105, 273742), (147, 195530), (210, 136871), (245, 117318), (294, 97765), (490, 58659), (735, 39106), (1470, 19553)]