64957900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1307}}^1$

素因数の和:1399

約数の個数: 72

約数和(自身を含む): 163489536

約数和(自身を除く): 98531636

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 71, 100, 140, 142, 175, 284, 350, 355, 497, 700, 710, 994, 1307, 1420, 1775, 1988, 2485, 2614, 3550, 4970, 5228, 6535, 7100, 9149, 9940, 12425, 13070, 18298, 24850, 26140, 32675, 36596, 45745, 49700, 65350, 91490, 92797, 130700, 182980, 185594, 228725, 371188, 457450, 463985, 649579, 914900, 927970, 1299158, 1855940, 2319925, 2598316, 3247895, 4639850, 6495790, 9279700, 12991580, 16239475, 32478950, 64957900]

約数ペア:

[(1, 64957900), (2, 32478950), (4, 16239475), (5, 12991580), (7, 9279700), (10, 6495790), (14, 4639850), (20, 3247895), (25, 2598316), (28, 2319925), (35, 1855940), (50, 1299158), (70, 927970), (71, 914900), (100, 649579), (140, 463985), (142, 457450), (175, 371188), (284, 228725), (350, 185594), (355, 182980), (497, 130700), (700, 92797), (710, 91490), (994, 65350), (1307, 49700), (1420, 45745), (1775, 36596), (1988, 32675), (2485, 26140), (2614, 24850), (3550, 18298), (4970, 13070), (5228, 12425), (6535, 9940), (7100, 9149)]