64996400

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{167}}^1$

素因数の和:331

約数の個数: 120

約数和(自身を含む): 180821760

約数和(自身を除く): 115825360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 80, 100, 112, 139, 140, 167, 175, 200, 278, 280, 334, 350, 400, 556, 560, 668, 695, 700, 835, 973, 1112, 1169, 1336, 1390, 1400, 1670, 1946, 2224, 2338, 2672, 2780, 2800, 3340, 3475, 3892, 4175, 4676, 4865, 5560, 5845, 6680, 6950, 7784, 8350, 9352, 9730, 11120, 11690, 13360, 13900, 15568, 16700, 18704, 19460, 23213, 23380, 24325, 27800, 29225, 33400, 38920, 46426, 46760, 48650, 55600, 58450, 66800, 77840, 92852, 93520, 97300, 116065, 116900, 162491, 185704, 194600, 232130, 233800, 324982, 371408, 389200, 464260, 467600, 580325, 649964, 812455, 928520, 1160650, 1299928, 1624910, 1857040, 2321300, 2599856, 3249820, 4062275, 4642600, 6499640, 8124550, 9285200, 12999280, 16249100, 32498200, 64996400]

約数ペア:

[(1, 64996400), (2, 32498200), (4, 16249100), (5, 12999280), (7, 9285200), (8, 8124550), (10, 6499640), (14, 4642600), (16, 4062275), (20, 3249820), (25, 2599856), (28, 2321300), (35, 1857040), (40, 1624910), (50, 1299928), (56, 1160650), (70, 928520), (80, 812455), (100, 649964), (112, 580325), (139, 467600), (140, 464260), (167, 389200), (175, 371408), (200, 324982), (278, 233800), (280, 232130), (334, 194600), (350, 185704), (400, 162491), (556, 116900), (560, 116065), (668, 97300), (695, 93520), (700, 92852), (835, 77840), (973, 66800), (1112, 58450), (1169, 55600), (1336, 48650), (1390, 46760), (1400, 46426), (1670, 38920), (1946, 33400), (2224, 29225), (2338, 27800), (2672, 24325), (2780, 23380), (2800, 23213), (3340, 19460), (3475, 18704), (3892, 16700), (4175, 15568), (4676, 13900), (4865, 13360), (5560, 11690), (5845, 11120), (6680, 9730), (6950, 9352), (7784, 8350)]