30778100

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{167}}^1$

素因数の和:297

約数の個数: 72

約数和(自身を含む): 71453760

約数和(自身を除く): 40675660

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 97, 100, 167, 190, 194, 334, 380, 388, 475, 485, 668, 835, 950, 970, 1670, 1843, 1900, 1940, 2425, 3173, 3340, 3686, 4175, 4850, 6346, 7372, 8350, 9215, 9700, 12692, 15865, 16199, 16700, 18430, 31730, 32398, 36860, 46075, 63460, 64796, 79325, 80995, 92150, 158650, 161990, 184300, 307781, 317300, 323980, 404975, 615562, 809950, 1231124, 1538905, 1619900, 3077810, 6155620, 7694525, 15389050, 30778100]

約数ペア:

[(1, 30778100), (2, 15389050), (4, 7694525), (5, 6155620), (10, 3077810), (19, 1619900), (20, 1538905), (25, 1231124), (38, 809950), (50, 615562), (76, 404975), (95, 323980), (97, 317300), (100, 307781), (167, 184300), (190, 161990), (194, 158650), (334, 92150), (380, 80995), (388, 79325), (475, 64796), (485, 63460), (668, 46075), (835, 36860), (950, 32398), (970, 31730), (1670, 18430), (1843, 16700), (1900, 16199), (1940, 15865), (2425, 12692), (3173, 9700), (3340, 9215), (3686, 8350), (4175, 7372), (4850, 6346)]