28328430

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3823}}^1$

素因数の和:3865

約数の個数: 64

約数和(自身を含む): 77091840

約数和(自身を除く): 48763410

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, 3823, 7410, 7646, 11469, 19115, 22938, 38230, 49699, 57345, 72637, 99398, 114690, 145274, 149097, 217911, 248495, 298194, 363185, 435822, 496990, 726370, 745485, 944281, 1089555, 1490970, 1888562, 2179110, 2832843, 4721405, 5665686, 9442810, 14164215, 28328430]

約数ペア:

[(1, 28328430), (2, 14164215), (3, 9442810), (5, 5665686), (6, 4721405), (10, 2832843), (13, 2179110), (15, 1888562), (19, 1490970), (26, 1089555), (30, 944281), (38, 745485), (39, 726370), (57, 496990), (65, 435822), (78, 363185), (95, 298194), (114, 248495), (130, 217911), (190, 149097), (195, 145274), (247, 114690), (285, 99398), (390, 72637), (494, 57345), (570, 49699), (741, 38230), (1235, 22938), (1482, 19115), (2470, 11469), (3705, 7646), (3823, 7410)]