155245870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{353}}^1$

素因数の和:589

約数の個数: 64

約数和(自身を含む): 321148800

約数和(自身を除く): 165902930

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 199, 221, 353, 398, 442, 706, 995, 1105, 1765, 1990, 2210, 2587, 3383, 3530, 4589, 5174, 6001, 6766, 9178, 12002, 12935, 16915, 22945, 25870, 30005, 33830, 43979, 45890, 60010, 70247, 78013, 87958, 140494, 156026, 219895, 351235, 390065, 439790, 702470, 780130, 913211, 1194199, 1826422, 2388398, 4566055, 5970995, 9132110, 11941990, 15524587, 31049174, 77622935, 155245870]

約数ペア:

[(1, 155245870), (2, 77622935), (5, 31049174), (10, 15524587), (13, 11941990), (17, 9132110), (26, 5970995), (34, 4566055), (65, 2388398), (85, 1826422), (130, 1194199), (170, 913211), (199, 780130), (221, 702470), (353, 439790), (398, 390065), (442, 351235), (706, 219895), (995, 156026), (1105, 140494), (1765, 87958), (1990, 78013), (2210, 70247), (2587, 60010), (3383, 45890), (3530, 43979), (4589, 33830), (5174, 30005), (6001, 25870), (6766, 22945), (9178, 16915), (12002, 12935)]