681465950

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{73}}^1\times {\mathrm{1543}}^1$

素因数の和:1650

約数の個数: 72

約数和(自身を含む): 1413232464

約数和(自身を除く): 731766514

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 73, 110, 121, 146, 242, 275, 365, 550, 605, 730, 803, 1210, 1543, 1606, 1825, 3025, 3086, 3650, 4015, 6050, 7715, 8030, 8833, 15430, 16973, 17666, 20075, 33946, 38575, 40150, 44165, 77150, 84865, 88330, 112639, 169730, 186703, 220825, 225278, 373406, 424325, 441650, 563195, 848650, 933515, 1126390, 1239029, 1867030, 2478058, 2815975, 4667575, 5631950, 6195145, 9335150, 12390290, 13629319, 27258638, 30975725, 61951450, 68146595, 136293190, 340732975, 681465950]

約数ペア:

[(1, 681465950), (2, 340732975), (5, 136293190), (10, 68146595), (11, 61951450), (22, 30975725), (25, 27258638), (50, 13629319), (55, 12390290), (73, 9335150), (110, 6195145), (121, 5631950), (146, 4667575), (242, 2815975), (275, 2478058), (365, 1867030), (550, 1239029), (605, 1126390), (730, 933515), (803, 848650), (1210, 563195), (1543, 441650), (1606, 424325), (1825, 373406), (3025, 225278), (3086, 220825), (3650, 186703), (4015, 169730), (6050, 112639), (7715, 88330), (8030, 84865), (8833, 77150), (15430, 44165), (16973, 40150), (17666, 38575), (20075, 33946)]