191242740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{245183}}^1$

素因数の和:245208

約数の個数: 48

約数和(自身を含む): 576672768

約数和(自身を除く): 385430028

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 245183, 490366, 735549, 980732, 1225915, 1471098, 2451830, 2942196, 3187379, 3677745, 4903660, 6374758, 7355490, 9562137, 12749516, 14710980, 15936895, 19124274, 31873790, 38248548, 47810685, 63747580, 95621370, 191242740]

約数ペア:

[(1, 191242740), (2, 95621370), (3, 63747580), (4, 47810685), (5, 38248548), (6, 31873790), (10, 19124274), (12, 15936895), (13, 14710980), (15, 12749516), (20, 9562137), (26, 7355490), (30, 6374758), (39, 4903660), (52, 3677745), (60, 3187379), (65, 2942196), (78, 2451830), (130, 1471098), (156, 1225915), (195, 980732), (260, 735549), (390, 490366), (780, 245183)]