138236450

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{73}}^1\times {\mathrm{313}}^1$

素因数の和:420

約数の個数: 72

約数和(自身を含む): 287406084

約数和(自身を除く): 149169634

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 73, 110, 121, 146, 242, 275, 313, 365, 550, 605, 626, 730, 803, 1210, 1565, 1606, 1825, 3025, 3130, 3443, 3650, 4015, 6050, 6886, 7825, 8030, 8833, 15650, 17215, 17666, 20075, 22849, 34430, 37873, 40150, 44165, 45698, 75746, 86075, 88330, 114245, 172150, 189365, 220825, 228490, 251339, 378730, 441650, 502678, 571225, 946825, 1142450, 1256695, 1893650, 2513390, 2764729, 5529458, 6283475, 12566950, 13823645, 27647290, 69118225, 138236450]

約数ペア:

[(1, 138236450), (2, 69118225), (5, 27647290), (10, 13823645), (11, 12566950), (22, 6283475), (25, 5529458), (50, 2764729), (55, 2513390), (73, 1893650), (110, 1256695), (121, 1142450), (146, 946825), (242, 571225), (275, 502678), (313, 441650), (365, 378730), (550, 251339), (605, 228490), (626, 220825), (730, 189365), (803, 172150), (1210, 114245), (1565, 88330), (1606, 86075), (1825, 75746), (3025, 45698), (3130, 44165), (3443, 40150), (3650, 37873), (4015, 34430), (6050, 22849), (6886, 20075), (7825, 17666), (8030, 17215), (8833, 15650)]