101008520

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{491}}^1$

素因数の和:678

約数の個数: 64

約数和(自身を含む): 235569600

約数和(自身を除く): 134561080

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 139, 148, 185, 278, 296, 370, 491, 556, 695, 740, 982, 1112, 1390, 1480, 1964, 2455, 2780, 3928, 4910, 5143, 5560, 9820, 10286, 18167, 19640, 20572, 25715, 36334, 41144, 51430, 68249, 72668, 90835, 102860, 136498, 145336, 181670, 205720, 272996, 341245, 363340, 545992, 682490, 726680, 1364980, 2525213, 2729960, 5050426, 10100852, 12626065, 20201704, 25252130, 50504260, 101008520]

約数ペア:

[(1, 101008520), (2, 50504260), (4, 25252130), (5, 20201704), (8, 12626065), (10, 10100852), (20, 5050426), (37, 2729960), (40, 2525213), (74, 1364980), (139, 726680), (148, 682490), (185, 545992), (278, 363340), (296, 341245), (370, 272996), (491, 205720), (556, 181670), (695, 145336), (740, 136498), (982, 102860), (1112, 90835), (1390, 72668), (1480, 68249), (1964, 51430), (2455, 41144), (2780, 36334), (3928, 25715), (4910, 20572), (5143, 19640), (5560, 18167), (9820, 10286)]