28506270

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3847}}^1$

素因数の和:3889

約数の個数: 64

約数和(自身を含む): 77575680

約数和(自身を除く): 49069410

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 19, 26, 30, 38, 39, 57, 65, 78, 95, 114, 130, 190, 195, 247, 285, 390, 494, 570, 741, 1235, 1482, 2470, 3705, 3847, 7410, 7694, 11541, 19235, 23082, 38470, 50011, 57705, 73093, 100022, 115410, 146186, 150033, 219279, 250055, 300066, 365465, 438558, 500110, 730930, 750165, 950209, 1096395, 1500330, 1900418, 2192790, 2850627, 4751045, 5701254, 9502090, 14253135, 28506270]

約数ペア:

[(1, 28506270), (2, 14253135), (3, 9502090), (5, 5701254), (6, 4751045), (10, 2850627), (13, 2192790), (15, 1900418), (19, 1500330), (26, 1096395), (30, 950209), (38, 750165), (39, 730930), (57, 500110), (65, 438558), (78, 365465), (95, 300066), (114, 250055), (130, 219279), (190, 150033), (195, 146186), (247, 115410), (285, 100022), (390, 73093), (494, 57705), (570, 50011), (741, 38470), (1235, 23082), (1482, 19235), (2470, 11541), (3705, 7694), (3847, 7410)]