1330874870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{197}}^1\times {\mathrm{331}}^1$

素因数の和:705

約数の個数: 64

約数和(自身を含む): 2617344576

約数和(自身を除く): 1286469706

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 157, 197, 314, 331, 394, 662, 785, 985, 1570, 1655, 1970, 2041, 2561, 3310, 4082, 4303, 5122, 8606, 10205, 12805, 20410, 21515, 25610, 30929, 43030, 51967, 61858, 65207, 103934, 130414, 154645, 259835, 309290, 326035, 402077, 519670, 652070, 675571, 804154, 847691, 1351142, 1695382, 2010385, 3377855, 4020770, 4238455, 6755710, 8476910, 10237499, 20474998, 51187495, 102374990, 133087487, 266174974, 665437435, 1330874870]

約数ペア:

[(1, 1330874870), (2, 665437435), (5, 266174974), (10, 133087487), (13, 102374990), (26, 51187495), (65, 20474998), (130, 10237499), (157, 8476910), (197, 6755710), (314, 4238455), (331, 4020770), (394, 3377855), (662, 2010385), (785, 1695382), (985, 1351142), (1570, 847691), (1655, 804154), (1970, 675571), (2041, 652070), (2561, 519670), (3310, 402077), (4082, 326035), (4303, 309290), (5122, 259835), (8606, 154645), (10205, 130414), (12805, 103934), (20410, 65207), (21515, 61858), (25610, 51967), (30929, 43030)]