2213897420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{132887}}^1$

素因数の和:132927

約数の個数: 72

約数和(自身を含む): 5726409696

約数和(自身を除く): 3512512276

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 49, 68, 70, 85, 98, 119, 140, 170, 196, 238, 245, 340, 476, 490, 595, 833, 980, 1190, 1666, 2380, 3332, 4165, 8330, 16660, 132887, 265774, 531548, 664435, 930209, 1328870, 1860418, 2259079, 2657740, 3720836, 4518158, 4651045, 6511463, 9036316, 9302090, 11295395, 13022926, 15813553, 18604180, 22590790, 26045852, 31627106, 32557315, 45181580, 63254212, 65114630, 79067765, 110694871, 130229260, 158135530, 221389742, 316271060, 442779484, 553474355, 1106948710, 2213897420]

約数ペア:

[(1, 2213897420), (2, 1106948710), (4, 553474355), (5, 442779484), (7, 316271060), (10, 221389742), (14, 158135530), (17, 130229260), (20, 110694871), (28, 79067765), (34, 65114630), (35, 63254212), (49, 45181580), (68, 32557315), (70, 31627106), (85, 26045852), (98, 22590790), (119, 18604180), (140, 15813553), (170, 13022926), (196, 11295395), (238, 9302090), (245, 9036316), (340, 6511463), (476, 4651045), (490, 4518158), (595, 3720836), (833, 2657740), (980, 2259079), (1190, 1860418), (1666, 1328870), (2380, 930209), (3332, 664435), (4165, 531548), (8330, 265774), (16660, 132887)]