64400300

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{419}}^1$

素因数の和:515

約数の個数: 72

約数和(自身を含む): 147646800

約数和(自身を除く): 83246500

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 53, 58, 100, 106, 116, 145, 212, 265, 290, 419, 530, 580, 725, 838, 1060, 1325, 1450, 1537, 1676, 2095, 2650, 2900, 3074, 4190, 5300, 6148, 7685, 8380, 10475, 12151, 15370, 20950, 22207, 24302, 30740, 38425, 41900, 44414, 48604, 60755, 76850, 88828, 111035, 121510, 153700, 222070, 243020, 303775, 444140, 555175, 607550, 644003, 1110350, 1215100, 1288006, 2220700, 2576012, 3220015, 6440030, 12880060, 16100075, 32200150, 64400300]

約数ペア:

[(1, 64400300), (2, 32200150), (4, 16100075), (5, 12880060), (10, 6440030), (20, 3220015), (25, 2576012), (29, 2220700), (50, 1288006), (53, 1215100), (58, 1110350), (100, 644003), (106, 607550), (116, 555175), (145, 444140), (212, 303775), (265, 243020), (290, 222070), (419, 153700), (530, 121510), (580, 111035), (725, 88828), (838, 76850), (1060, 60755), (1325, 48604), (1450, 44414), (1537, 41900), (1676, 38425), (2095, 30740), (2650, 24302), (2900, 22207), (3074, 20950), (4190, 15370), (5300, 12151), (6148, 10475), (7685, 8380)]