286173820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{239}}^1$

素因数の和:427

約数の個数: 96

約数和(自身を含む): 667699200

約数和(自身を除く): 381525380

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 38, 46, 76, 92, 95, 115, 137, 190, 230, 239, 274, 380, 437, 460, 478, 548, 685, 874, 956, 1195, 1370, 1748, 2185, 2390, 2603, 2740, 3151, 4370, 4541, 4780, 5206, 5497, 6302, 8740, 9082, 10412, 10994, 12604, 13015, 15755, 18164, 21988, 22705, 26030, 27485, 31510, 32743, 45410, 52060, 54970, 59869, 63020, 65486, 90820, 104443, 109940, 119738, 130972, 163715, 208886, 239476, 299345, 327430, 417772, 522215, 598690, 622117, 654860, 753089, 1044430, 1197380, 1244234, 1506178, 2088860, 2488468, 3012356, 3110585, 3765445, 6221170, 7530890, 12442340, 14308691, 15061780, 28617382, 57234764, 71543455, 143086910, 286173820]

約数ペア:

[(1, 286173820), (2, 143086910), (4, 71543455), (5, 57234764), (10, 28617382), (19, 15061780), (20, 14308691), (23, 12442340), (38, 7530890), (46, 6221170), (76, 3765445), (92, 3110585), (95, 3012356), (115, 2488468), (137, 2088860), (190, 1506178), (230, 1244234), (239, 1197380), (274, 1044430), (380, 753089), (437, 654860), (460, 622117), (478, 598690), (548, 522215), (685, 417772), (874, 327430), (956, 299345), (1195, 239476), (1370, 208886), (1748, 163715), (2185, 130972), (2390, 119738), (2603, 109940), (2740, 104443), (3151, 90820), (4370, 65486), (4541, 63020), (4780, 59869), (5206, 54970), (5497, 52060), (6302, 45410), (8740, 32743), (9082, 31510), (10412, 27485), (10994, 26030), (12604, 22705), (13015, 21988), (15755, 18164)]