128288300

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{1399}}^1$

素因数の和:1551

約数の個数: 72

約数和(自身を含む): 320812800

約数和(自身を除く): 192524500

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 131, 140, 175, 262, 350, 524, 655, 700, 917, 1310, 1399, 1834, 2620, 2798, 3275, 3668, 4585, 5596, 6550, 6995, 9170, 9793, 13100, 13990, 18340, 19586, 22925, 27980, 34975, 39172, 45850, 48965, 69950, 91700, 97930, 139900, 183269, 195860, 244825, 366538, 489650, 733076, 916345, 979300, 1282883, 1832690, 2565766, 3665380, 4581725, 5131532, 6414415, 9163450, 12828830, 18326900, 25657660, 32072075, 64144150, 128288300]

約数ペア:

[(1, 128288300), (2, 64144150), (4, 32072075), (5, 25657660), (7, 18326900), (10, 12828830), (14, 9163450), (20, 6414415), (25, 5131532), (28, 4581725), (35, 3665380), (50, 2565766), (70, 1832690), (100, 1282883), (131, 979300), (140, 916345), (175, 733076), (262, 489650), (350, 366538), (524, 244825), (655, 195860), (700, 183269), (917, 139900), (1310, 97930), (1399, 91700), (1834, 69950), (2620, 48965), (2798, 45850), (3275, 39172), (3668, 34975), (4585, 27980), (5596, 22925), (6550, 19586), (6995, 18340), (9170, 13990), (9793, 13100)]