30998118100

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{709}}^1\times {\mathrm{23011}}^1$

素因数の和:23753

約数の個数: 72

約数和(自身を含む): 70909176800

約数和(自身を除く): 39911058700

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 380, 475, 709, 950, 1418, 1900, 2836, 3545, 7090, 13471, 14180, 17725, 23011, 26942, 35450, 46022, 53884, 67355, 70900, 92044, 115055, 134710, 230110, 269420, 336775, 437209, 460220, 575275, 673550, 874418, 1150550, 1347100, 1748836, 2186045, 2301100, 4372090, 8744180, 10930225, 16314799, 21860450, 32629598, 43720900, 65259196, 81573995, 163147990, 309981181, 326295980, 407869975, 619962362, 815739950, 1239924724, 1549905905, 1631479900, 3099811810, 6199623620, 7749529525, 15499059050, 30998118100]

約数ペア:

[(1, 30998118100), (2, 15499059050), (4, 7749529525), (5, 6199623620), (10, 3099811810), (19, 1631479900), (20, 1549905905), (25, 1239924724), (38, 815739950), (50, 619962362), (76, 407869975), (95, 326295980), (100, 309981181), (190, 163147990), (380, 81573995), (475, 65259196), (709, 43720900), (950, 32629598), (1418, 21860450), (1900, 16314799), (2836, 10930225), (3545, 8744180), (7090, 4372090), (13471, 2301100), (14180, 2186045), (17725, 1748836), (23011, 1347100), (26942, 1150550), (35450, 874418), (46022, 673550), (53884, 575275), (67355, 460220), (70900, 437209), (92044, 336775), (115055, 269420), (134710, 230110)]