204800570

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{571}}^1$

素因数の和:711

約数の個数: 64

約数和(自身を含む): 415134720

約数和(自身を除く): 210334150

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 89, 130, 155, 178, 310, 403, 445, 571, 806, 890, 1142, 1157, 2015, 2314, 2759, 2855, 4030, 5518, 5710, 5785, 7423, 11570, 13795, 14846, 17701, 27590, 35402, 35867, 37115, 50819, 71734, 74230, 88505, 101638, 177010, 179335, 230113, 254095, 358670, 460226, 508190, 660647, 1150565, 1321294, 1575389, 2301130, 3150778, 3303235, 6606470, 7876945, 15753890, 20480057, 40960114, 102400285, 204800570]

約数ペア:

[(1, 204800570), (2, 102400285), (5, 40960114), (10, 20480057), (13, 15753890), (26, 7876945), (31, 6606470), (62, 3303235), (65, 3150778), (89, 2301130), (130, 1575389), (155, 1321294), (178, 1150565), (310, 660647), (403, 508190), (445, 460226), (571, 358670), (806, 254095), (890, 230113), (1142, 179335), (1157, 177010), (2015, 101638), (2314, 88505), (2759, 74230), (2855, 71734), (4030, 50819), (5518, 37115), (5710, 35867), (5785, 35402), (7423, 27590), (11570, 17701), (13795, 14846)]