266117380

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{331}}^1\times {\mathrm{659}}^1$

素因数の和:1060

約数の個数: 48

約数和(自身を含む): 570588480

約数和(自身を除く): 304471100

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 331, 610, 659, 662, 1220, 1318, 1324, 1655, 2636, 3295, 3310, 6590, 6620, 13180, 20191, 40199, 40382, 80398, 80764, 100955, 160796, 200995, 201910, 218129, 401990, 403820, 436258, 803980, 872516, 1090645, 2181290, 4362580, 13305869, 26611738, 53223476, 66529345, 133058690, 266117380]

約数ペア:

[(1, 266117380), (2, 133058690), (4, 66529345), (5, 53223476), (10, 26611738), (20, 13305869), (61, 4362580), (122, 2181290), (244, 1090645), (305, 872516), (331, 803980), (610, 436258), (659, 403820), (662, 401990), (1220, 218129), (1318, 201910), (1324, 200995), (1655, 160796), (2636, 100955), (3295, 80764), (3310, 80398), (6590, 40382), (6620, 40199), (13180, 20191)]