492247980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{390673}}^1$

素因数の和:390695

約数の個数: 72

約数和(自身を含む): 1706464032

約数和(自身を除く): 1214216052

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 390673, 781346, 1172019, 1562692, 1953365, 2344038, 2734711, 3516057, 3906730, 4688076, 5469422, 5860095, 7032114, 7813460, 8204133, 10938844, 11720190, 13673555, 14064228, 16408266, 17580285, 23440380, 24612399, 27347110, 32816532, 35160570, 41020665, 49224798, 54694220, 70321140, 82041330, 98449596, 123061995, 164082660, 246123990, 492247980]

約数ペア:

[(1, 492247980), (2, 246123990), (3, 164082660), (4, 123061995), (5, 98449596), (6, 82041330), (7, 70321140), (9, 54694220), (10, 49224798), (12, 41020665), (14, 35160570), (15, 32816532), (18, 27347110), (20, 24612399), (21, 23440380), (28, 17580285), (30, 16408266), (35, 14064228), (36, 13673555), (42, 11720190), (45, 10938844), (60, 8204133), (63, 7813460), (70, 7032114), (84, 5860095), (90, 5469422), (105, 4688076), (126, 3906730), (140, 3516057), (180, 2734711), (210, 2344038), (252, 1953365), (315, 1562692), (420, 1172019), (630, 781346), (1260, 390673)]