313474480

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{11491}}^1$

素因数の和:11546

約数の個数: 80

約数和(自身を含む): 820804608

約数和(自身を除く): 507330128

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 40, 44, 55, 62, 80, 88, 110, 124, 155, 176, 220, 248, 310, 341, 440, 496, 620, 682, 880, 1240, 1364, 1705, 2480, 2728, 3410, 5456, 6820, 11491, 13640, 22982, 27280, 45964, 57455, 91928, 114910, 126401, 183856, 229820, 252802, 356221, 459640, 505604, 632005, 712442, 919280, 1011208, 1264010, 1424884, 1781105, 2022416, 2528020, 2849768, 3562210, 3918431, 5056040, 5699536, 7124420, 7836862, 10112080, 14248840, 15673724, 19592155, 28497680, 31347448, 39184310, 62694896, 78368620, 156737240, 313474480]

約数ペア:

[(1, 313474480), (2, 156737240), (4, 78368620), (5, 62694896), (8, 39184310), (10, 31347448), (11, 28497680), (16, 19592155), (20, 15673724), (22, 14248840), (31, 10112080), (40, 7836862), (44, 7124420), (55, 5699536), (62, 5056040), (80, 3918431), (88, 3562210), (110, 2849768), (124, 2528020), (155, 2022416), (176, 1781105), (220, 1424884), (248, 1264010), (310, 1011208), (341, 919280), (440, 712442), (496, 632005), (620, 505604), (682, 459640), (880, 356221), (1240, 252802), (1364, 229820), (1705, 183856), (2480, 126401), (2728, 114910), (3410, 91928), (5456, 57455), (6820, 45964), (11491, 27280), (13640, 22982)]