311179720

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{331}}^1\times {\mathrm{1237}}^1$

素因数の和:1598

約数の個数: 64

約数和(自身を含む): 739828800

約数和(自身を除く): 428649080

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 331, 380, 662, 760, 1237, 1324, 1655, 2474, 2648, 3310, 4948, 6185, 6289, 6620, 9896, 12370, 12578, 13240, 23503, 24740, 25156, 31445, 47006, 49480, 50312, 62890, 94012, 117515, 125780, 188024, 235030, 251560, 409447, 470060, 818894, 940120, 1637788, 2047235, 3275576, 4094470, 7779493, 8188940, 15558986, 16377880, 31117972, 38897465, 62235944, 77794930, 155589860, 311179720]

約数ペア:

[(1, 311179720), (2, 155589860), (4, 77794930), (5, 62235944), (8, 38897465), (10, 31117972), (19, 16377880), (20, 15558986), (38, 8188940), (40, 7779493), (76, 4094470), (95, 3275576), (152, 2047235), (190, 1637788), (331, 940120), (380, 818894), (662, 470060), (760, 409447), (1237, 251560), (1324, 235030), (1655, 188024), (2474, 125780), (2648, 117515), (3310, 94012), (4948, 62890), (6185, 50312), (6289, 49480), (6620, 47006), (9896, 31445), (12370, 25156), (12578, 24740), (13240, 23503)]