7212400

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1$

素因数の和:123

約数の個数: 120

約数和(自身を含む): 19911920

約数和(自身を除く): 12699520

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 25, 26, 38, 40, 50, 52, 65, 73, 76, 80, 95, 100, 104, 130, 146, 152, 190, 200, 208, 247, 260, 292, 304, 325, 365, 380, 400, 475, 494, 520, 584, 650, 730, 760, 949, 950, 988, 1040, 1168, 1235, 1300, 1387, 1460, 1520, 1825, 1898, 1900, 1976, 2470, 2600, 2774, 2920, 3650, 3796, 3800, 3952, 4745, 4940, 5200, 5548, 5840, 6175, 6935, 7300, 7592, 7600, 9490, 9880, 11096, 12350, 13870, 14600, 15184, 18031, 18980, 19760, 22192, 23725, 24700, 27740, 29200, 34675, 36062, 37960, 47450, 49400, 55480, 69350, 72124, 75920, 90155, 94900, 98800, 110960, 138700, 144248, 180310, 189800, 277400, 288496, 360620, 379600, 450775, 554800, 721240, 901550, 1442480, 1803100, 3606200, 7212400]

約数ペア:

[(1, 7212400), (2, 3606200), (4, 1803100), (5, 1442480), (8, 901550), (10, 721240), (13, 554800), (16, 450775), (19, 379600), (20, 360620), (25, 288496), (26, 277400), (38, 189800), (40, 180310), (50, 144248), (52, 138700), (65, 110960), (73, 98800), (76, 94900), (80, 90155), (95, 75920), (100, 72124), (104, 69350), (130, 55480), (146, 49400), (152, 47450), (190, 37960), (200, 36062), (208, 34675), (247, 29200), (260, 27740), (292, 24700), (304, 23725), (325, 22192), (365, 19760), (380, 18980), (400, 18031), (475, 15184), (494, 14600), (520, 13870), (584, 12350), (650, 11096), (730, 9880), (760, 9490), (949, 7600), (950, 7592), (988, 7300), (1040, 6935), (1168, 6175), (1235, 5840), (1300, 5548), (1387, 5200), (1460, 4940), (1520, 4745), (1825, 3952), (1898, 3800), (1900, 3796), (1976, 3650), (2470, 2920), (2600, 2774)]