12615700

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{181}}^1$

素因数の和:253

約数の個数: 72

約数和(自身を含む): 29857464

約数和(自身を除く): 17241764

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 41, 50, 68, 82, 85, 100, 164, 170, 181, 205, 340, 362, 410, 425, 697, 724, 820, 850, 905, 1025, 1394, 1700, 1810, 2050, 2788, 3077, 3485, 3620, 4100, 4525, 6154, 6970, 7421, 9050, 12308, 13940, 14842, 15385, 17425, 18100, 29684, 30770, 34850, 37105, 61540, 69700, 74210, 76925, 126157, 148420, 153850, 185525, 252314, 307700, 371050, 504628, 630785, 742100, 1261570, 2523140, 3153925, 6307850, 12615700]

約数ペア:

[(1, 12615700), (2, 6307850), (4, 3153925), (5, 2523140), (10, 1261570), (17, 742100), (20, 630785), (25, 504628), (34, 371050), (41, 307700), (50, 252314), (68, 185525), (82, 153850), (85, 148420), (100, 126157), (164, 76925), (170, 74210), (181, 69700), (205, 61540), (340, 37105), (362, 34850), (410, 30770), (425, 29684), (697, 18100), (724, 17425), (820, 15385), (850, 14842), (905, 13940), (1025, 12308), (1394, 9050), (1700, 7421), (1810, 6970), (2050, 6154), (2788, 4525), (3077, 4100), (3485, 3620)]