380809996

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{89}}^2\times {\mathrm{101}}^1$

素因数の和:307

約数の個数: 72

約数和(自身を含む): 823658976

約数和(自身を除く): 442848980

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 89, 101, 119, 178, 202, 238, 356, 404, 476, 623, 707, 1246, 1414, 1513, 1717, 2492, 2828, 3026, 3434, 6052, 6868, 7921, 8989, 10591, 12019, 15842, 17978, 21182, 24038, 31684, 35956, 42364, 48076, 55447, 62923, 110894, 125846, 134657, 152813, 221788, 251692, 269314, 305626, 538628, 611252, 800021, 942599, 1069691, 1600042, 1885198, 2139382, 3200084, 3770396, 4278764, 5600147, 11200294, 13600357, 22400588, 27200714, 54401428, 95202499, 190404998, 380809996]

約数ペア:

[(1, 380809996), (2, 190404998), (4, 95202499), (7, 54401428), (14, 27200714), (17, 22400588), (28, 13600357), (34, 11200294), (68, 5600147), (89, 4278764), (101, 3770396), (119, 3200084), (178, 2139382), (202, 1885198), (238, 1600042), (356, 1069691), (404, 942599), (476, 800021), (623, 611252), (707, 538628), (1246, 305626), (1414, 269314), (1513, 251692), (1717, 221788), (2492, 152813), (2828, 134657), (3026, 125846), (3434, 110894), (6052, 62923), (6868, 55447), (7921, 48076), (8989, 42364), (10591, 35956), (12019, 31684), (15842, 24038), (17978, 21182)]