9781819100

素因数分解:

$2^2\times 5^2\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{20563}}^1$

素因数の和:20715

約数の個数: 72

約数和(自身を含む): 21847851648

約数和(自身を除く): 12066032548

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 67, 71, 100, 134, 142, 268, 284, 335, 355, 670, 710, 1340, 1420, 1675, 1775, 3350, 3550, 4757, 6700, 7100, 9514, 19028, 20563, 23785, 41126, 47570, 82252, 95140, 102815, 118925, 205630, 237850, 411260, 475700, 514075, 1028150, 1377721, 1459973, 2056300, 2755442, 2919946, 5510884, 5839892, 6888605, 7299865, 13777210, 14599730, 27554420, 29199460, 34443025, 36499325, 68886050, 72998650, 97818191, 137772100, 145997300, 195636382, 391272764, 489090955, 978181910, 1956363820, 2445454775, 4890909550, 9781819100]

約数ペア:

[(1, 9781819100), (2, 4890909550), (4, 2445454775), (5, 1956363820), (10, 978181910), (20, 489090955), (25, 391272764), (50, 195636382), (67, 145997300), (71, 137772100), (100, 97818191), (134, 72998650), (142, 68886050), (268, 36499325), (284, 34443025), (335, 29199460), (355, 27554420), (670, 14599730), (710, 13777210), (1340, 7299865), (1420, 6888605), (1675, 5839892), (1775, 5510884), (3350, 2919946), (3550, 2755442), (4757, 2056300), (6700, 1459973), (7100, 1377721), (9514, 1028150), (19028, 514075), (20563, 475700), (23785, 411260), (41126, 237850), (47570, 205630), (82252, 118925), (95140, 102815)]