28173580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{491}}^1$

素因数の和:670

約数の個数: 48

約数和(自身を含む): 62818560

約数和(自身を除く): 34644980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 151, 190, 302, 380, 491, 604, 755, 982, 1510, 1964, 2455, 2869, 3020, 4910, 5738, 9329, 9820, 11476, 14345, 18658, 28690, 37316, 46645, 57380, 74141, 93290, 148282, 186580, 296564, 370705, 741410, 1408679, 1482820, 2817358, 5634716, 7043395, 14086790, 28173580]

約数ペア:

[(1, 28173580), (2, 14086790), (4, 7043395), (5, 5634716), (10, 2817358), (19, 1482820), (20, 1408679), (38, 741410), (76, 370705), (95, 296564), (151, 186580), (190, 148282), (302, 93290), (380, 74141), (491, 57380), (604, 46645), (755, 37316), (982, 28690), (1510, 18658), (1964, 14345), (2455, 11476), (2869, 9820), (3020, 9329), (4910, 5738)]