281665360

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{3257}}^1$

素因数の和:3340

約数の個数: 80

約数和(自身を含む): 698098176

約数和(自身を除く): 416432816

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 47, 80, 92, 94, 115, 184, 188, 230, 235, 368, 376, 460, 470, 752, 920, 940, 1081, 1840, 1880, 2162, 3257, 3760, 4324, 5405, 6514, 8648, 10810, 13028, 16285, 17296, 21620, 26056, 32570, 43240, 52112, 65140, 74911, 86480, 130280, 149822, 153079, 260560, 299644, 306158, 374555, 599288, 612316, 749110, 765395, 1198576, 1224632, 1498220, 1530790, 2449264, 2996440, 3061580, 3520817, 5992880, 6123160, 7041634, 12246320, 14083268, 17604085, 28166536, 35208170, 56333072, 70416340, 140832680, 281665360]

約数ペア:

[(1, 281665360), (2, 140832680), (4, 70416340), (5, 56333072), (8, 35208170), (10, 28166536), (16, 17604085), (20, 14083268), (23, 12246320), (40, 7041634), (46, 6123160), (47, 5992880), (80, 3520817), (92, 3061580), (94, 2996440), (115, 2449264), (184, 1530790), (188, 1498220), (230, 1224632), (235, 1198576), (368, 765395), (376, 749110), (460, 612316), (470, 599288), (752, 374555), (920, 306158), (940, 299644), (1081, 260560), (1840, 153079), (1880, 149822), (2162, 130280), (3257, 86480), (3760, 74911), (4324, 65140), (5405, 52112), (6514, 43240), (8648, 32570), (10810, 26056), (13028, 21620), (16285, 17296)]