30647860

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1\times {\mathrm{191}}^1$

素因数の和:384

約数の個数: 48

約数和(自身を含む): 66189312

約数和(自身を除く): 35541452

約数列:

[1, 2, 4, 5, 10, 20, 71, 113, 142, 191, 226, 284, 355, 382, 452, 565, 710, 764, 955, 1130, 1420, 1910, 2260, 3820, 8023, 13561, 16046, 21583, 27122, 32092, 40115, 43166, 54244, 67805, 80230, 86332, 107915, 135610, 160460, 215830, 271220, 431660, 1532393, 3064786, 6129572, 7661965, 15323930, 30647860]

約数ペア:

[(1, 30647860), (2, 15323930), (4, 7661965), (5, 6129572), (10, 3064786), (20, 1532393), (71, 431660), (113, 271220), (142, 215830), (191, 160460), (226, 135610), (284, 107915), (355, 86332), (382, 80230), (452, 67805), (565, 54244), (710, 43166), (764, 40115), (955, 32092), (1130, 27122), (1420, 21583), (1910, 16046), (2260, 13561), (3820, 8023)]