212453220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{127}}^1\times {\mathrm{569}}^1$

素因数の和:722

約数の個数: 144

約数和(自身を含む): 698664960

約数和(自身を除く): 486211740

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 127, 140, 147, 196, 210, 245, 254, 294, 381, 420, 490, 508, 569, 588, 635, 735, 762, 889, 980, 1138, 1270, 1470, 1524, 1707, 1778, 1905, 2276, 2540, 2667, 2845, 2940, 3414, 3556, 3810, 3983, 4445, 5334, 5690, 6223, 6828, 7620, 7966, 8535, 8890, 10668, 11380, 11949, 12446, 13335, 15932, 17070, 17780, 18669, 19915, 23898, 24892, 26670, 27881, 31115, 34140, 37338, 39830, 47796, 53340, 55762, 59745, 62230, 72263, 74676, 79660, 83643, 93345, 111524, 119490, 124460, 139405, 144526, 167286, 186690, 216789, 238980, 278810, 289052, 334572, 361315, 373380, 418215, 433578, 505841, 557620, 722630, 836430, 867156, 1011682, 1083945, 1445260, 1517523, 1672860, 2023364, 2167890, 2529205, 3035046, 3540887, 4335780, 5058410, 6070092, 7081774, 7587615, 10116820, 10622661, 14163548, 15175230, 17704435, 21245322, 30350460, 35408870, 42490644, 53113305, 70817740, 106226610, 212453220]

約数ペア:

[(1, 212453220), (2, 106226610), (3, 70817740), (4, 53113305), (5, 42490644), (6, 35408870), (7, 30350460), (10, 21245322), (12, 17704435), (14, 15175230), (15, 14163548), (20, 10622661), (21, 10116820), (28, 7587615), (30, 7081774), (35, 6070092), (42, 5058410), (49, 4335780), (60, 3540887), (70, 3035046), (84, 2529205), (98, 2167890), (105, 2023364), (127, 1672860), (140, 1517523), (147, 1445260), (196, 1083945), (210, 1011682), (245, 867156), (254, 836430), (294, 722630), (381, 557620), (420, 505841), (490, 433578), (508, 418215), (569, 373380), (588, 361315), (635, 334572), (735, 289052), (762, 278810), (889, 238980), (980, 216789), (1138, 186690), (1270, 167286), (1470, 144526), (1524, 139405), (1707, 124460), (1778, 119490), (1905, 111524), (2276, 93345), (2540, 83643), (2667, 79660), (2845, 74676), (2940, 72263), (3414, 62230), (3556, 59745), (3810, 55762), (3983, 53340), (4445, 47796), (5334, 39830), (5690, 37338), (6223, 34140), (6828, 31115), (7620, 27881), (7966, 26670), (8535, 24892), (8890, 23898), (10668, 19915), (11380, 18669), (11949, 17780), (12446, 17070), (13335, 15932)]