221212290

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{19559}}^1$

素因数の和:19611

約数の個数: 64

約数和(自身を含む): 591494400

約数和(自身を除く): 370282110

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 29, 30, 39, 58, 65, 78, 87, 130, 145, 174, 195, 290, 377, 390, 435, 754, 870, 1131, 1885, 2262, 3770, 5655, 11310, 19559, 39118, 58677, 97795, 117354, 195590, 254267, 293385, 508534, 567211, 586770, 762801, 1134422, 1271335, 1525602, 1701633, 2542670, 2836055, 3403266, 3814005, 5672110, 7373743, 7628010, 8508165, 14747486, 17016330, 22121229, 36868715, 44242458, 73737430, 110606145, 221212290]

約数ペア:

[(1, 221212290), (2, 110606145), (3, 73737430), (5, 44242458), (6, 36868715), (10, 22121229), (13, 17016330), (15, 14747486), (26, 8508165), (29, 7628010), (30, 7373743), (39, 5672110), (58, 3814005), (65, 3403266), (78, 2836055), (87, 2542670), (130, 1701633), (145, 1525602), (174, 1271335), (195, 1134422), (290, 762801), (377, 586770), (390, 567211), (435, 508534), (754, 293385), (870, 254267), (1131, 195590), (1885, 117354), (2262, 97795), (3770, 58677), (5655, 39118), (11310, 19559)]