30939320

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{263}}^1$

素因数の和:464

約数の個数: 64

約数和(自身を含む): 74416320

約数和(自身を除く): 43477000

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 173, 263, 340, 346, 526, 680, 692, 865, 1052, 1315, 1384, 1730, 2104, 2630, 2941, 3460, 4471, 5260, 5882, 6920, 8942, 10520, 11764, 14705, 17884, 22355, 23528, 29410, 35768, 44710, 45499, 58820, 89420, 90998, 117640, 178840, 181996, 227495, 363992, 454990, 773483, 909980, 1546966, 1819960, 3093932, 3867415, 6187864, 7734830, 15469660, 30939320]

約数ペア:

[(1, 30939320), (2, 15469660), (4, 7734830), (5, 6187864), (8, 3867415), (10, 3093932), (17, 1819960), (20, 1546966), (34, 909980), (40, 773483), (68, 454990), (85, 363992), (136, 227495), (170, 181996), (173, 178840), (263, 117640), (340, 90998), (346, 89420), (526, 58820), (680, 45499), (692, 44710), (865, 35768), (1052, 29410), (1315, 23528), (1384, 22355), (1730, 17884), (2104, 14705), (2630, 11764), (2941, 10520), (3460, 8942), (4471, 6920), (5260, 5882)]