42756688

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{349}}^1$

素因数の和:420

約数の個数: 80

約数和(自身を含む): 97216000

約数和(自身を除く): 54459312

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 31, 38, 52, 62, 76, 104, 124, 152, 208, 247, 248, 304, 349, 403, 494, 496, 589, 698, 806, 988, 1178, 1396, 1612, 1976, 2356, 2792, 3224, 3952, 4537, 4712, 5584, 6448, 6631, 7657, 9074, 9424, 10819, 13262, 15314, 18148, 21638, 26524, 30628, 36296, 43276, 53048, 61256, 72592, 86203, 86552, 106096, 122512, 140647, 172406, 173104, 205561, 281294, 344812, 411122, 562588, 689624, 822244, 1125176, 1379248, 1644488, 2250352, 2672293, 3288976, 5344586, 10689172, 21378344, 42756688]

約数ペア:

[(1, 42756688), (2, 21378344), (4, 10689172), (8, 5344586), (13, 3288976), (16, 2672293), (19, 2250352), (26, 1644488), (31, 1379248), (38, 1125176), (52, 822244), (62, 689624), (76, 562588), (104, 411122), (124, 344812), (152, 281294), (208, 205561), (247, 173104), (248, 172406), (304, 140647), (349, 122512), (403, 106096), (494, 86552), (496, 86203), (589, 72592), (698, 61256), (806, 53048), (988, 43276), (1178, 36296), (1396, 30628), (1612, 26524), (1976, 21638), (2356, 18148), (2792, 15314), (3224, 13262), (3952, 10819), (4537, 9424), (4712, 9074), (5584, 7657), (6448, 6631)]