28747350

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{193}}^1\times {\mathrm{331}}^1$

素因数の和:542

約数の個数: 72

約数和(自身を含む): 77869272

約数和(自身を除く): 49121922

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 90, 150, 193, 225, 331, 386, 450, 579, 662, 965, 993, 1158, 1655, 1737, 1930, 1986, 2895, 2979, 3310, 3474, 4825, 4965, 5790, 5958, 8275, 8685, 9650, 9930, 14475, 14895, 16550, 17370, 24825, 28950, 29790, 43425, 49650, 63883, 74475, 86850, 127766, 148950, 191649, 319415, 383298, 574947, 638830, 958245, 1149894, 1597075, 1916490, 2874735, 3194150, 4791225, 5749470, 9582450, 14373675, 28747350]

約数ペア:

[(1, 28747350), (2, 14373675), (3, 9582450), (5, 5749470), (6, 4791225), (9, 3194150), (10, 2874735), (15, 1916490), (18, 1597075), (25, 1149894), (30, 958245), (45, 638830), (50, 574947), (75, 383298), (90, 319415), (150, 191649), (193, 148950), (225, 127766), (331, 86850), (386, 74475), (450, 63883), (579, 49650), (662, 43425), (965, 29790), (993, 28950), (1158, 24825), (1655, 17370), (1737, 16550), (1930, 14895), (1986, 14475), (2895, 9930), (2979, 9650), (3310, 8685), (3474, 8275), (4825, 5958), (4965, 5790)]