100018400

素因数分解:

$2^5\times 5^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1$

素因数の和:197

約数の個数: 144

約数和(自身を含む): 261233280

約数和(自身を除く): 161214880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 37, 40, 50, 62, 74, 80, 100, 109, 124, 148, 155, 160, 185, 200, 218, 248, 296, 310, 370, 400, 436, 496, 545, 592, 620, 740, 775, 800, 872, 925, 992, 1090, 1147, 1184, 1240, 1480, 1550, 1744, 1850, 2180, 2294, 2480, 2725, 2960, 3100, 3379, 3488, 3700, 4033, 4360, 4588, 4960, 5450, 5735, 5920, 6200, 6758, 7400, 8066, 8720, 9176, 10900, 11470, 12400, 13516, 14800, 16132, 16895, 17440, 18352, 20165, 21800, 22940, 24800, 27032, 28675, 29600, 32264, 33790, 36704, 40330, 43600, 45880, 54064, 57350, 64528, 67580, 80660, 84475, 87200, 91760, 100825, 108128, 114700, 125023, 129056, 135160, 161320, 168950, 183520, 201650, 229400, 250046, 270320, 322640, 337900, 403300, 458800, 500092, 540640, 625115, 645280, 675800, 806600, 917600, 1000184, 1250230, 1351600, 1613200, 2000368, 2500460, 2703200, 3125575, 3226400, 4000736, 5000920, 6251150, 10001840, 12502300, 20003680, 25004600, 50009200, 100018400]

約数ペア:

[(1, 100018400), (2, 50009200), (4, 25004600), (5, 20003680), (8, 12502300), (10, 10001840), (16, 6251150), (20, 5000920), (25, 4000736), (31, 3226400), (32, 3125575), (37, 2703200), (40, 2500460), (50, 2000368), (62, 1613200), (74, 1351600), (80, 1250230), (100, 1000184), (109, 917600), (124, 806600), (148, 675800), (155, 645280), (160, 625115), (185, 540640), (200, 500092), (218, 458800), (248, 403300), (296, 337900), (310, 322640), (370, 270320), (400, 250046), (436, 229400), (496, 201650), (545, 183520), (592, 168950), (620, 161320), (740, 135160), (775, 129056), (800, 125023), (872, 114700), (925, 108128), (992, 100825), (1090, 91760), (1147, 87200), (1184, 84475), (1240, 80660), (1480, 67580), (1550, 64528), (1744, 57350), (1850, 54064), (2180, 45880), (2294, 43600), (2480, 40330), (2725, 36704), (2960, 33790), (3100, 32264), (3379, 29600), (3488, 28675), (3700, 27032), (4033, 24800), (4360, 22940), (4588, 21800), (4960, 20165), (5450, 18352), (5735, 17440), (5920, 16895), (6200, 16132), (6758, 14800), (7400, 13516), (8066, 12400), (8720, 11470), (9176, 10900)]