28723272010

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^2\times {\mathrm{37889}}^1$

素因数の和:38023

約数の個数: 48

約数和(自身を含む): 54224682120

約数和(自身を除く): 25501410110

約数列:

[1, 2, 5, 10, 41, 43, 82, 86, 205, 215, 410, 430, 1763, 1849, 3526, 3698, 8815, 9245, 17630, 18490, 37889, 75778, 75809, 151618, 189445, 378890, 379045, 758090, 1553449, 1629227, 3106898, 3258454, 7767245, 8146135, 15534490, 16292270, 66798307, 70056761, 133596614, 140113522, 333991535, 350283805, 667983070, 700567610, 2872327201, 5744654402, 14361636005, 28723272010]

約数ペア:

[(1, 28723272010), (2, 14361636005), (5, 5744654402), (10, 2872327201), (41, 700567610), (43, 667983070), (82, 350283805), (86, 333991535), (205, 140113522), (215, 133596614), (410, 70056761), (430, 66798307), (1763, 16292270), (1849, 15534490), (3526, 8146135), (3698, 7767245), (8815, 3258454), (9245, 3106898), (17630, 1629227), (18490, 1553449), (37889, 758090), (75778, 379045), (75809, 378890), (151618, 189445)]