51749540

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1$

素因数の和:273

約数の個数: 96

約数和(自身を含む): 123863040

約数和(自身を除く): 72113500

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 31, 38, 46, 62, 76, 92, 95, 115, 124, 155, 190, 191, 230, 310, 380, 382, 437, 460, 589, 620, 713, 764, 874, 955, 1178, 1426, 1748, 1910, 2185, 2356, 2852, 2945, 3565, 3629, 3820, 4370, 4393, 5890, 5921, 7130, 7258, 8740, 8786, 11780, 11842, 13547, 14260, 14516, 17572, 18145, 21965, 23684, 27094, 29605, 36290, 43930, 54188, 59210, 67735, 72580, 83467, 87860, 112499, 118420, 135470, 136183, 166934, 224998, 270940, 272366, 333868, 417335, 449996, 544732, 562495, 680915, 834670, 1124990, 1361830, 1669340, 2249980, 2587477, 2723660, 5174954, 10349908, 12937385, 25874770, 51749540]

約数ペア:

[(1, 51749540), (2, 25874770), (4, 12937385), (5, 10349908), (10, 5174954), (19, 2723660), (20, 2587477), (23, 2249980), (31, 1669340), (38, 1361830), (46, 1124990), (62, 834670), (76, 680915), (92, 562495), (95, 544732), (115, 449996), (124, 417335), (155, 333868), (190, 272366), (191, 270940), (230, 224998), (310, 166934), (380, 136183), (382, 135470), (437, 118420), (460, 112499), (589, 87860), (620, 83467), (713, 72580), (764, 67735), (874, 59210), (955, 54188), (1178, 43930), (1426, 36290), (1748, 29605), (1910, 27094), (2185, 23684), (2356, 21965), (2852, 18145), (2945, 17572), (3565, 14516), (3629, 14260), (3820, 13547), (4370, 11842), (4393, 11780), (5890, 8786), (5921, 8740), (7130, 7258)]