71780100

素因数分解:

$2^2\times 3^1\times 5^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{257}}^1$

素因数の和:307

約数の個数: 216

約数和(自身を含む): 255296160

約数和(自身を除く): 183516060

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 25, 28, 30, 35, 38, 42, 49, 50, 57, 60, 70, 75, 76, 84, 95, 98, 100, 105, 114, 133, 140, 147, 150, 175, 190, 196, 210, 228, 245, 257, 266, 285, 294, 300, 350, 380, 399, 420, 475, 490, 514, 525, 532, 570, 588, 665, 700, 735, 771, 798, 931, 950, 980, 1028, 1050, 1140, 1225, 1285, 1330, 1425, 1470, 1542, 1596, 1799, 1862, 1900, 1995, 2100, 2450, 2570, 2660, 2793, 2850, 2940, 3084, 3325, 3598, 3675, 3724, 3855, 3990, 4655, 4883, 4900, 5140, 5397, 5586, 5700, 6425, 6650, 7196, 7350, 7710, 7980, 8995, 9310, 9766, 9975, 10794, 11172, 12593, 12850, 13300, 13965, 14649, 14700, 15420, 17990, 18620, 19275, 19532, 19950, 21588, 23275, 24415, 25186, 25700, 26985, 27930, 29298, 34181, 35980, 37779, 38550, 39900, 44975, 46550, 48830, 50372, 53970, 55860, 58596, 62965, 68362, 69825, 73245, 75558, 77100, 89950, 93100, 97660, 102543, 107940, 122075, 125930, 134925, 136724, 139650, 146490, 151116, 170905, 179900, 188895, 205086, 239267, 244150, 251860, 269850, 279300, 292980, 314825, 341810, 366225, 377790, 410172, 478534, 488300, 512715, 539700, 629650, 683620, 717801, 732450, 755580, 854525, 944475, 957068, 1025430, 1196335, 1259300, 1435602, 1464900, 1709050, 1888950, 2050860, 2392670, 2563575, 2871204, 3418100, 3589005, 3777900, 4785340, 5127150, 5981675, 7178010, 10254300, 11963350, 14356020, 17945025, 23926700, 35890050, 71780100]

約数ペア:

[(1, 71780100), (2, 35890050), (3, 23926700), (4, 17945025), (5, 14356020), (6, 11963350), (7, 10254300), (10, 7178010), (12, 5981675), (14, 5127150), (15, 4785340), (19, 3777900), (20, 3589005), (21, 3418100), (25, 2871204), (28, 2563575), (30, 2392670), (35, 2050860), (38, 1888950), (42, 1709050), (49, 1464900), (50, 1435602), (57, 1259300), (60, 1196335), (70, 1025430), (75, 957068), (76, 944475), (84, 854525), (95, 755580), (98, 732450), (100, 717801), (105, 683620), (114, 629650), (133, 539700), (140, 512715), (147, 488300), (150, 478534), (175, 410172), (190, 377790), (196, 366225), (210, 341810), (228, 314825), (245, 292980), (257, 279300), (266, 269850), (285, 251860), (294, 244150), (300, 239267), (350, 205086), (380, 188895), (399, 179900), (420, 170905), (475, 151116), (490, 146490), (514, 139650), (525, 136724), (532, 134925), (570, 125930), (588, 122075), (665, 107940), (700, 102543), (735, 97660), (771, 93100), (798, 89950), (931, 77100), (950, 75558), (980, 73245), (1028, 69825), (1050, 68362), (1140, 62965), (1225, 58596), (1285, 55860), (1330, 53970), (1425, 50372), (1470, 48830), (1542, 46550), (1596, 44975), (1799, 39900), (1862, 38550), (1900, 37779), (1995, 35980), (2100, 34181), (2450, 29298), (2570, 27930), (2660, 26985), (2793, 25700), (2850, 25186), (2940, 24415), (3084, 23275), (3325, 21588), (3598, 19950), (3675, 19532), (3724, 19275), (3855, 18620), (3990, 17990), (4655, 15420), (4883, 14700), (4900, 14649), (5140, 13965), (5397, 13300), (5586, 12850), (5700, 12593), (6425, 11172), (6650, 10794), (7196, 9975), (7350, 9766), (7710, 9310), (7980, 8995)]