28570300

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1367}}^1$

素因数の和:1411

約数の個数: 72

約数和(自身を含む): 71245440

約数和(自身を除く): 42675140

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 25, 38, 44, 50, 55, 76, 95, 100, 110, 190, 209, 220, 275, 380, 418, 475, 550, 836, 950, 1045, 1100, 1367, 1900, 2090, 2734, 4180, 5225, 5468, 6835, 10450, 13670, 15037, 20900, 25973, 27340, 30074, 34175, 51946, 60148, 68350, 75185, 103892, 129865, 136700, 150370, 259730, 285703, 300740, 375925, 519460, 571406, 649325, 751850, 1142812, 1298650, 1428515, 1503700, 2597300, 2857030, 5714060, 7142575, 14285150, 28570300]

約数ペア:

[(1, 28570300), (2, 14285150), (4, 7142575), (5, 5714060), (10, 2857030), (11, 2597300), (19, 1503700), (20, 1428515), (22, 1298650), (25, 1142812), (38, 751850), (44, 649325), (50, 571406), (55, 519460), (76, 375925), (95, 300740), (100, 285703), (110, 259730), (190, 150370), (209, 136700), (220, 129865), (275, 103892), (380, 75185), (418, 68350), (475, 60148), (550, 51946), (836, 34175), (950, 30074), (1045, 27340), (1100, 25973), (1367, 20900), (1900, 15037), (2090, 13670), (2734, 10450), (4180, 6835), (5225, 5468)]