1999788130

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1\times {\mathrm{811}}^1$

素因数の和:1063

約数の個数: 64

約数和(自身を含む): 3838980096

約数和(自身を除く): 1839191966

約数列:

[1, 2, 5, 10, 23, 46, 71, 115, 142, 151, 230, 302, 355, 710, 755, 811, 1510, 1622, 1633, 3266, 3473, 4055, 6946, 8110, 8165, 10721, 16330, 17365, 18653, 21442, 34730, 37306, 53605, 57581, 93265, 107210, 115162, 122461, 186530, 244922, 246583, 287905, 493166, 575810, 612305, 1224610, 1232915, 1324363, 2465830, 2648726, 2816603, 5633206, 6621815, 8694731, 13243630, 14083015, 17389462, 28166030, 43473655, 86947310, 199978813, 399957626, 999894065, 1999788130]

約数ペア:

[(1, 1999788130), (2, 999894065), (5, 399957626), (10, 199978813), (23, 86947310), (46, 43473655), (71, 28166030), (115, 17389462), (142, 14083015), (151, 13243630), (230, 8694731), (302, 6621815), (355, 5633206), (710, 2816603), (755, 2648726), (811, 2465830), (1510, 1324363), (1622, 1232915), (1633, 1224610), (3266, 612305), (3473, 575810), (4055, 493166), (6946, 287905), (8110, 246583), (8165, 244922), (10721, 186530), (16330, 122461), (17365, 115162), (18653, 107210), (21442, 93265), (34730, 57581), (37306, 53605)]