30780890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{257}}^1$

素因数の和:359

約数の個数: 64

約数和(自身を含む): 66873600

約数和(自身を除く): 36092710

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 58, 59, 70, 118, 145, 203, 257, 290, 295, 406, 413, 514, 590, 826, 1015, 1285, 1711, 1799, 2030, 2065, 2570, 3422, 3598, 4130, 7453, 8555, 8995, 11977, 14906, 15163, 17110, 17990, 23954, 30326, 37265, 52171, 59885, 74530, 75815, 104342, 106141, 119770, 151630, 212282, 260855, 439727, 521710, 530705, 879454, 1061410, 2198635, 3078089, 4397270, 6156178, 15390445, 30780890]

約数ペア:

[(1, 30780890), (2, 15390445), (5, 6156178), (7, 4397270), (10, 3078089), (14, 2198635), (29, 1061410), (35, 879454), (58, 530705), (59, 521710), (70, 439727), (118, 260855), (145, 212282), (203, 151630), (257, 119770), (290, 106141), (295, 104342), (406, 75815), (413, 74530), (514, 59885), (590, 52171), (826, 37265), (1015, 30326), (1285, 23954), (1711, 17990), (1799, 17110), (2030, 15163), (2065, 14906), (2570, 11977), (3422, 8995), (3598, 8555), (4130, 7453)]