221142740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{121507}}^1$

素因数の和:121536

約数の個数: 48

約数和(自身を含む): 571573632

約数和(自身を除く): 350430892

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 121507, 243014, 486028, 607535, 850549, 1215070, 1579591, 1701098, 2430140, 3159182, 3402196, 4252745, 6318364, 7897955, 8505490, 11057137, 15795910, 17010980, 22114274, 31591820, 44228548, 55285685, 110571370, 221142740]

約数ペア:

[(1, 221142740), (2, 110571370), (4, 55285685), (5, 44228548), (7, 31591820), (10, 22114274), (13, 17010980), (14, 15795910), (20, 11057137), (26, 8505490), (28, 7897955), (35, 6318364), (52, 4252745), (65, 3402196), (70, 3159182), (91, 2430140), (130, 1701098), (140, 1579591), (182, 1215070), (260, 850549), (364, 607535), (455, 486028), (910, 243014), (1820, 121507)]