98891780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{311}}^1\times {\mathrm{1223}}^1$

素因数の和:1556

約数の個数: 48

約数和(自身を含む): 224550144

約数和(自身を除く): 125658364

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 311, 622, 1223, 1244, 1555, 2446, 3110, 4043, 4892, 6115, 6220, 8086, 12230, 15899, 16172, 20215, 24460, 31798, 40430, 63596, 79495, 80860, 158990, 317980, 380353, 760706, 1521412, 1901765, 3803530, 4944589, 7607060, 9889178, 19778356, 24722945, 49445890, 98891780]

約数ペア:

[(1, 98891780), (2, 49445890), (4, 24722945), (5, 19778356), (10, 9889178), (13, 7607060), (20, 4944589), (26, 3803530), (52, 1901765), (65, 1521412), (130, 760706), (260, 380353), (311, 317980), (622, 158990), (1223, 80860), (1244, 79495), (1555, 63596), (2446, 40430), (3110, 31798), (4043, 24460), (4892, 20215), (6115, 16172), (6220, 15899), (8086, 12230)]