64659700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1301}}^1$

素因数の和:1393

約数の個数: 72

約数和(自身を含む): 162739584

約数和(自身を除く): 98079884

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, 1301, 1420, 1775, 1988, 2485, 2602, 3550, 4970, 5204, 6505, 7100, 9107, 9940, 12425, 13010, 18214, 24850, 26020, 32525, 36428, 45535, 49700, 65050, 91070, 92371, 130100, 182140, 184742, 227675, 369484, 455350, 461855, 646597, 910700, 923710, 1293194, 1847420, 2309275, 2586388, 3232985, 4618550, 6465970, 9237100, 12931940, 16164925, 32329850, 64659700]

約数ペア:

[(1, 64659700), (2, 32329850), (4, 16164925), (5, 12931940), (7, 9237100), (10, 6465970), (14, 4618550), (20, 3232985), (25, 2586388), (28, 2309275), (35, 1847420), (50, 1293194), (70, 923710), (71, 910700), (100, 646597), (140, 461855), (142, 455350), (175, 369484), (284, 227675), (350, 184742), (355, 182140), (497, 130100), (700, 92371), (710, 91070), (994, 65050), (1301, 49700), (1420, 45535), (1775, 36428), (1988, 32525), (2485, 26020), (2602, 24850), (3550, 18214), (4970, 13010), (5204, 12425), (6505, 9940), (7100, 9107)]