161569607900

素因数分解:

$2^2\times 5^2\times {\mathrm{73}}^1\times {\mathrm{1597}}^1\times {\mathrm{13859}}^1$

素因数の和:15543

約数の個数: 72

約数和(自身を含む): 355657080240

約数和(自身を除く): 194087472340

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 73, 100, 146, 292, 365, 730, 1460, 1597, 1825, 3194, 3650, 6388, 7300, 7985, 13859, 15970, 27718, 31940, 39925, 55436, 69295, 79850, 116581, 138590, 159700, 233162, 277180, 346475, 466324, 582905, 692950, 1011707, 1165810, 1385900, 2023414, 2331620, 2914525, 4046828, 5058535, 5829050, 10117070, 11658100, 20234140, 22132823, 25292675, 44265646, 50585350, 88531292, 101170700, 110664115, 221328230, 442656460, 553320575, 1106641150, 1615696079, 2213282300, 3231392158, 6462784316, 8078480395, 16156960790, 32313921580, 40392401975, 80784803950, 161569607900]

約数ペア:

[(1, 161569607900), (2, 80784803950), (4, 40392401975), (5, 32313921580), (10, 16156960790), (20, 8078480395), (25, 6462784316), (50, 3231392158), (73, 2213282300), (100, 1615696079), (146, 1106641150), (292, 553320575), (365, 442656460), (730, 221328230), (1460, 110664115), (1597, 101170700), (1825, 88531292), (3194, 50585350), (3650, 44265646), (6388, 25292675), (7300, 22132823), (7985, 20234140), (13859, 11658100), (15970, 10117070), (27718, 5829050), (31940, 5058535), (39925, 4046828), (55436, 2914525), (69295, 2331620), (79850, 2023414), (116581, 1385900), (138590, 1165810), (159700, 1011707), (233162, 692950), (277180, 582905), (346475, 466324)]