318548300

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{557}}^1$

素因数の和:640

約数の個数: 144

約数和(自身を含む): 852445440

約数和(自身を除く): 533897140

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 25, 28, 35, 38, 43, 50, 70, 76, 86, 95, 100, 133, 140, 172, 175, 190, 215, 266, 301, 350, 380, 430, 475, 532, 557, 602, 665, 700, 817, 860, 950, 1075, 1114, 1204, 1330, 1505, 1634, 1900, 2150, 2228, 2660, 2785, 3010, 3268, 3325, 3899, 4085, 4300, 5570, 5719, 6020, 6650, 7525, 7798, 8170, 10583, 11140, 11438, 13300, 13925, 15050, 15596, 16340, 19495, 20425, 21166, 22876, 23951, 27850, 28595, 30100, 38990, 40850, 42332, 47902, 52915, 55700, 57190, 74081, 77980, 81700, 95804, 97475, 105830, 114380, 119755, 142975, 148162, 167657, 194950, 211660, 239510, 264575, 285950, 296324, 335314, 370405, 389900, 455069, 479020, 529150, 571900, 598775, 670628, 740810, 838285, 910138, 1058300, 1197550, 1481620, 1676570, 1820276, 1852025, 2275345, 2395100, 3185483, 3353140, 3704050, 4191425, 4550690, 6370966, 7408100, 8382850, 9101380, 11376725, 12741932, 15927415, 16765700, 22753450, 31854830, 45506900, 63709660, 79637075, 159274150, 318548300]

約数ペア:

[(1, 318548300), (2, 159274150), (4, 79637075), (5, 63709660), (7, 45506900), (10, 31854830), (14, 22753450), (19, 16765700), (20, 15927415), (25, 12741932), (28, 11376725), (35, 9101380), (38, 8382850), (43, 7408100), (50, 6370966), (70, 4550690), (76, 4191425), (86, 3704050), (95, 3353140), (100, 3185483), (133, 2395100), (140, 2275345), (172, 1852025), (175, 1820276), (190, 1676570), (215, 1481620), (266, 1197550), (301, 1058300), (350, 910138), (380, 838285), (430, 740810), (475, 670628), (532, 598775), (557, 571900), (602, 529150), (665, 479020), (700, 455069), (817, 389900), (860, 370405), (950, 335314), (1075, 296324), (1114, 285950), (1204, 264575), (1330, 239510), (1505, 211660), (1634, 194950), (1900, 167657), (2150, 148162), (2228, 142975), (2660, 119755), (2785, 114380), (3010, 105830), (3268, 97475), (3325, 95804), (3899, 81700), (4085, 77980), (4300, 74081), (5570, 57190), (5719, 55700), (6020, 52915), (6650, 47902), (7525, 42332), (7798, 40850), (8170, 38990), (10583, 30100), (11140, 28595), (11438, 27850), (13300, 23951), (13925, 22876), (15050, 21166), (15596, 20425), (16340, 19495)]