401140000

素因数分解:

$2^5\times 5^4\times {\mathrm{31}}^1\times {\mathrm{647}}^1$

素因数の和:708

約数の個数: 120

約数和(自身を含む): 1020273408

約数和(自身を除く): 619133408

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 80, 100, 124, 125, 155, 160, 200, 248, 250, 310, 400, 496, 500, 620, 625, 647, 775, 800, 992, 1000, 1240, 1250, 1294, 1550, 2000, 2480, 2500, 2588, 3100, 3235, 3875, 4000, 4960, 5000, 5176, 6200, 6470, 7750, 10000, 10352, 12400, 12940, 15500, 16175, 19375, 20000, 20057, 20704, 24800, 25880, 31000, 32350, 38750, 40114, 51760, 62000, 64700, 77500, 80228, 80875, 100285, 103520, 124000, 129400, 155000, 160456, 161750, 200570, 258800, 310000, 320912, 323500, 401140, 404375, 501425, 517600, 620000, 641824, 647000, 802280, 808750, 1002850, 1294000, 1604560, 1617500, 2005700, 2507125, 2588000, 3209120, 3235000, 4011400, 5014250, 6470000, 8022800, 10028500, 12535625, 12940000, 16045600, 20057000, 25071250, 40114000, 50142500, 80228000, 100285000, 200570000, 401140000]

約数ペア:

[(1, 401140000), (2, 200570000), (4, 100285000), (5, 80228000), (8, 50142500), (10, 40114000), (16, 25071250), (20, 20057000), (25, 16045600), (31, 12940000), (32, 12535625), (40, 10028500), (50, 8022800), (62, 6470000), (80, 5014250), (100, 4011400), (124, 3235000), (125, 3209120), (155, 2588000), (160, 2507125), (200, 2005700), (248, 1617500), (250, 1604560), (310, 1294000), (400, 1002850), (496, 808750), (500, 802280), (620, 647000), (625, 641824), (647, 620000), (775, 517600), (800, 501425), (992, 404375), (1000, 401140), (1240, 323500), (1250, 320912), (1294, 310000), (1550, 258800), (2000, 200570), (2480, 161750), (2500, 160456), (2588, 155000), (3100, 129400), (3235, 124000), (3875, 103520), (4000, 100285), (4960, 80875), (5000, 80228), (5176, 77500), (6200, 64700), (6470, 62000), (7750, 51760), (10000, 40114), (10352, 38750), (12400, 32350), (12940, 31000), (15500, 25880), (16175, 24800), (19375, 20704), (20000, 20057)]