72980200

素因数分解:

$2^3\times 5^2\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1$

素因数の和:275

約数の個数: 96

約数和(自身を含む): 178560000

約数和(自身を除く): 105579800

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 31, 40, 50, 62, 79, 100, 124, 149, 155, 158, 200, 248, 298, 310, 316, 395, 596, 620, 632, 745, 775, 790, 1192, 1240, 1490, 1550, 1580, 1975, 2449, 2980, 3100, 3160, 3725, 3950, 4619, 4898, 5960, 6200, 7450, 7900, 9238, 9796, 11771, 12245, 14900, 15800, 18476, 19592, 23095, 23542, 24490, 29800, 36952, 46190, 47084, 48980, 58855, 61225, 92380, 94168, 97960, 115475, 117710, 122450, 184760, 230950, 235420, 244900, 294275, 364901, 461900, 470840, 489800, 588550, 729802, 923800, 1177100, 1459604, 1824505, 2354200, 2919208, 3649010, 7298020, 9122525, 14596040, 18245050, 36490100, 72980200]

約数ペア:

[(1, 72980200), (2, 36490100), (4, 18245050), (5, 14596040), (8, 9122525), (10, 7298020), (20, 3649010), (25, 2919208), (31, 2354200), (40, 1824505), (50, 1459604), (62, 1177100), (79, 923800), (100, 729802), (124, 588550), (149, 489800), (155, 470840), (158, 461900), (200, 364901), (248, 294275), (298, 244900), (310, 235420), (316, 230950), (395, 184760), (596, 122450), (620, 117710), (632, 115475), (745, 97960), (775, 94168), (790, 92380), (1192, 61225), (1240, 58855), (1490, 48980), (1550, 47084), (1580, 46190), (1975, 36952), (2449, 29800), (2980, 24490), (3100, 23542), (3160, 23095), (3725, 19592), (3950, 18476), (4619, 15800), (4898, 14900), (5960, 12245), (6200, 11771), (7450, 9796), (7900, 9238)]