74470480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1873}}^1$

素因数の和:1964

約数の個数: 80

約数和(自身を含む): 200772864

約数和(自身を除く): 126302384

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 71, 80, 112, 140, 142, 280, 284, 355, 497, 560, 568, 710, 994, 1136, 1420, 1873, 1988, 2485, 2840, 3746, 3976, 4970, 5680, 7492, 7952, 9365, 9940, 13111, 14984, 18730, 19880, 26222, 29968, 37460, 39760, 52444, 65555, 74920, 104888, 131110, 132983, 149840, 209776, 262220, 265966, 524440, 531932, 664915, 930881, 1048880, 1063864, 1329830, 1861762, 2127728, 2659660, 3723524, 4654405, 5319320, 7447048, 9308810, 10638640, 14894096, 18617620, 37235240, 74470480]

約数ペア:

[(1, 74470480), (2, 37235240), (4, 18617620), (5, 14894096), (7, 10638640), (8, 9308810), (10, 7447048), (14, 5319320), (16, 4654405), (20, 3723524), (28, 2659660), (35, 2127728), (40, 1861762), (56, 1329830), (70, 1063864), (71, 1048880), (80, 930881), (112, 664915), (140, 531932), (142, 524440), (280, 265966), (284, 262220), (355, 209776), (497, 149840), (560, 132983), (568, 131110), (710, 104888), (994, 74920), (1136, 65555), (1420, 52444), (1873, 39760), (1988, 37460), (2485, 29968), (2840, 26222), (3746, 19880), (3976, 18730), (4970, 14984), (5680, 13111), (7492, 9940), (7952, 9365)]