7321220

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{353}}^1$

素因数の和:440

約数の個数: 48

約数和(自身を含む): 16592688

約数和(自身を除く): 9271468

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 61, 68, 85, 122, 170, 244, 305, 340, 353, 610, 706, 1037, 1220, 1412, 1765, 2074, 3530, 4148, 5185, 6001, 7060, 10370, 12002, 20740, 21533, 24004, 30005, 43066, 60010, 86132, 107665, 120020, 215330, 366061, 430660, 732122, 1464244, 1830305, 3660610, 7321220]

約数ペア:

[(1, 7321220), (2, 3660610), (4, 1830305), (5, 1464244), (10, 732122), (17, 430660), (20, 366061), (34, 215330), (61, 120020), (68, 107665), (85, 86132), (122, 60010), (170, 43066), (244, 30005), (305, 24004), (340, 21533), (353, 20740), (610, 12002), (706, 10370), (1037, 7060), (1220, 6001), (1412, 5185), (1765, 4148), (2074, 3530)]