1878649430

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{68639}}^1$

素因数の和:68693

約数の個数: 64

約数和(自身を含む): 4269957120

約数和(自身を除く): 2391307690

約数列:

[1, 2, 5, 7, 10, 14, 17, 23, 34, 35, 46, 70, 85, 115, 119, 161, 170, 230, 238, 322, 391, 595, 782, 805, 1190, 1610, 1955, 2737, 3910, 5474, 13685, 27370, 68639, 137278, 343195, 480473, 686390, 960946, 1166863, 1578697, 2333726, 2402365, 3157394, 4804730, 5834315, 7893485, 8168041, 11050879, 11668630, 15786970, 16336082, 22101758, 26837849, 40840205, 53675698, 55254395, 81680410, 110508790, 134189245, 187864943, 268378490, 375729886, 939324715, 1878649430]

約数ペア:

[(1, 1878649430), (2, 939324715), (5, 375729886), (7, 268378490), (10, 187864943), (14, 134189245), (17, 110508790), (23, 81680410), (34, 55254395), (35, 53675698), (46, 40840205), (70, 26837849), (85, 22101758), (115, 16336082), (119, 15786970), (161, 11668630), (170, 11050879), (230, 8168041), (238, 7893485), (322, 5834315), (391, 4804730), (595, 3157394), (782, 2402365), (805, 2333726), (1190, 1578697), (1610, 1166863), (1955, 960946), (2737, 686390), (3910, 480473), (5474, 343195), (13685, 137278), (27370, 68639)]