681679150

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{293}}^1$

素因数の和:434

約数の個数: 96

約数和(自身を含む): 1399910400

約数和(自身を除く): 718231250

約数列:

[1, 2, 5, 10, 19, 25, 31, 38, 50, 62, 79, 95, 155, 158, 190, 293, 310, 395, 475, 586, 589, 775, 790, 950, 1178, 1465, 1501, 1550, 1975, 2449, 2930, 2945, 3002, 3950, 4898, 5567, 5890, 7325, 7505, 9083, 11134, 12245, 14650, 14725, 15010, 18166, 23147, 24490, 27835, 29450, 37525, 45415, 46294, 46531, 55670, 61225, 75050, 90830, 93062, 115735, 122450, 139175, 172577, 227075, 231470, 232655, 278350, 345154, 439793, 454150, 465310, 578675, 717557, 862885, 879586, 1157350, 1163275, 1435114, 1725770, 2198965, 2326550, 3587785, 4314425, 4397930, 7175570, 8628850, 10994825, 13633583, 17938925, 21989650, 27267166, 35877850, 68167915, 136335830, 340839575, 681679150]

約数ペア:

[(1, 681679150), (2, 340839575), (5, 136335830), (10, 68167915), (19, 35877850), (25, 27267166), (31, 21989650), (38, 17938925), (50, 13633583), (62, 10994825), (79, 8628850), (95, 7175570), (155, 4397930), (158, 4314425), (190, 3587785), (293, 2326550), (310, 2198965), (395, 1725770), (475, 1435114), (586, 1163275), (589, 1157350), (775, 879586), (790, 862885), (950, 717557), (1178, 578675), (1465, 465310), (1501, 454150), (1550, 439793), (1975, 345154), (2449, 278350), (2930, 232655), (2945, 231470), (3002, 227075), (3950, 172577), (4898, 139175), (5567, 122450), (5890, 115735), (7325, 93062), (7505, 90830), (9083, 75050), (11134, 61225), (12245, 55670), (14650, 46531), (14725, 46294), (15010, 45415), (18166, 37525), (23147, 29450), (24490, 27835)]