201863980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{73}}^1\times {\mathrm{383}}^1$

素因数の和:503

約数の個数: 72

約数和(自身を含む): 454712832

約数和(自身を除く): 252848852

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 73, 76, 95, 146, 190, 292, 361, 365, 380, 383, 722, 730, 766, 1387, 1444, 1460, 1532, 1805, 1915, 2774, 3610, 3830, 5548, 6935, 7220, 7277, 7660, 13870, 14554, 26353, 27740, 27959, 29108, 36385, 52706, 55918, 72770, 105412, 111836, 131765, 138263, 139795, 145540, 263530, 276526, 279590, 527060, 531221, 553052, 559180, 691315, 1062442, 1382630, 2124884, 2656105, 2765260, 5312210, 10093199, 10624420, 20186398, 40372796, 50465995, 100931990, 201863980]

約数ペア:

[(1, 201863980), (2, 100931990), (4, 50465995), (5, 40372796), (10, 20186398), (19, 10624420), (20, 10093199), (38, 5312210), (73, 2765260), (76, 2656105), (95, 2124884), (146, 1382630), (190, 1062442), (292, 691315), (361, 559180), (365, 553052), (380, 531221), (383, 527060), (722, 279590), (730, 276526), (766, 263530), (1387, 145540), (1444, 139795), (1460, 138263), (1532, 131765), (1805, 111836), (1915, 105412), (2774, 72770), (3610, 55918), (3830, 52706), (5548, 36385), (6935, 29108), (7220, 27959), (7277, 27740), (7660, 26353), (13870, 14554)]