51788300

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{281}}^1$

素因数の和:411

約数の個数: 72

約数和(自身を含む): 119940240

約数和(自身を除く): 68151940

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 97, 100, 190, 194, 281, 380, 388, 475, 485, 562, 950, 970, 1124, 1405, 1843, 1900, 1940, 2425, 2810, 3686, 4850, 5339, 5620, 7025, 7372, 9215, 9700, 10678, 14050, 18430, 21356, 26695, 27257, 28100, 36860, 46075, 53390, 54514, 92150, 106780, 109028, 133475, 136285, 184300, 266950, 272570, 517883, 533900, 545140, 681425, 1035766, 1362850, 2071532, 2589415, 2725700, 5178830, 10357660, 12947075, 25894150, 51788300]

約数ペア:

[(1, 51788300), (2, 25894150), (4, 12947075), (5, 10357660), (10, 5178830), (19, 2725700), (20, 2589415), (25, 2071532), (38, 1362850), (50, 1035766), (76, 681425), (95, 545140), (97, 533900), (100, 517883), (190, 272570), (194, 266950), (281, 184300), (380, 136285), (388, 133475), (475, 109028), (485, 106780), (562, 92150), (950, 54514), (970, 53390), (1124, 46075), (1405, 36860), (1843, 28100), (1900, 27257), (1940, 26695), (2425, 21356), (2810, 18430), (3686, 14050), (4850, 10678), (5339, 9700), (5620, 9215), (7025, 7372)]