203022100

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{829}}^1$

素因数の和:953

約数の個数: 72

約数和(自身を含む): 461081600

約数和(自身を除く): 258059500

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 79, 100, 124, 155, 158, 310, 316, 395, 620, 775, 790, 829, 1550, 1580, 1658, 1975, 2449, 3100, 3316, 3950, 4145, 4898, 7900, 8290, 9796, 12245, 16580, 20725, 24490, 25699, 41450, 48980, 51398, 61225, 65491, 82900, 102796, 122450, 128495, 130982, 244900, 256990, 261964, 327455, 513980, 642475, 654910, 1284950, 1309820, 1637275, 2030221, 2569900, 3274550, 4060442, 6549100, 8120884, 10151105, 20302210, 40604420, 50755525, 101511050, 203022100]

約数ペア:

[(1, 203022100), (2, 101511050), (4, 50755525), (5, 40604420), (10, 20302210), (20, 10151105), (25, 8120884), (31, 6549100), (50, 4060442), (62, 3274550), (79, 2569900), (100, 2030221), (124, 1637275), (155, 1309820), (158, 1284950), (310, 654910), (316, 642475), (395, 513980), (620, 327455), (775, 261964), (790, 256990), (829, 244900), (1550, 130982), (1580, 128495), (1658, 122450), (1975, 102796), (2449, 82900), (3100, 65491), (3316, 61225), (3950, 51398), (4145, 48980), (4898, 41450), (7900, 25699), (8290, 24490), (9796, 20725), (12245, 16580)]