217687260

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{419}}^1\times {\mathrm{1237}}^1$

素因数の和:1675

約数の個数: 96

約数和(自身を含む): 698826240

約数和(自身を除く): 481138980

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 419, 420, 838, 1237, 1257, 1676, 2095, 2474, 2514, 2933, 3711, 4190, 4948, 5028, 5866, 6185, 6285, 7422, 8380, 8659, 8799, 11732, 12370, 12570, 14665, 14844, 17318, 17598, 18555, 24740, 25140, 25977, 29330, 34636, 35196, 37110, 43295, 43995, 51954, 58660, 74220, 86590, 87990, 103908, 129885, 173180, 175980, 259770, 518303, 519540, 1036606, 1554909, 2073212, 2591515, 3109818, 3628121, 5183030, 6219636, 7256242, 7774545, 10366060, 10884363, 14512484, 15549090, 18140605, 21768726, 31098180, 36281210, 43537452, 54421815, 72562420, 108843630, 217687260]

約数ペア:

[(1, 217687260), (2, 108843630), (3, 72562420), (4, 54421815), (5, 43537452), (6, 36281210), (7, 31098180), (10, 21768726), (12, 18140605), (14, 15549090), (15, 14512484), (20, 10884363), (21, 10366060), (28, 7774545), (30, 7256242), (35, 6219636), (42, 5183030), (60, 3628121), (70, 3109818), (84, 2591515), (105, 2073212), (140, 1554909), (210, 1036606), (419, 519540), (420, 518303), (838, 259770), (1237, 175980), (1257, 173180), (1676, 129885), (2095, 103908), (2474, 87990), (2514, 86590), (2933, 74220), (3711, 58660), (4190, 51954), (4948, 43995), (5028, 43295), (5866, 37110), (6185, 35196), (6285, 34636), (7422, 29330), (8380, 25977), (8659, 25140), (8799, 24740), (11732, 18555), (12370, 17598), (12570, 17318), (14665, 14844)]