481871988

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{503}}^1$

素因数の和:638

約数の個数: 144

約数和(自身を含む): 1386927360

約数和(自身を除く): 905055372

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 23, 26, 36, 39, 46, 52, 69, 78, 89, 92, 117, 138, 156, 178, 207, 234, 267, 276, 299, 356, 414, 468, 503, 534, 598, 801, 828, 897, 1006, 1068, 1157, 1196, 1509, 1602, 1794, 2012, 2047, 2314, 2691, 3018, 3204, 3471, 3588, 4094, 4527, 4628, 5382, 6036, 6141, 6539, 6942, 8188, 9054, 10413, 10764, 11569, 12282, 13078, 13884, 18108, 18423, 19617, 20826, 23138, 24564, 26156, 26611, 34707, 36846, 39234, 41652, 44767, 46276, 53222, 58851, 69414, 73692, 78468, 79833, 89534, 104121, 106444, 117702, 134301, 138828, 150397, 159666, 179068, 208242, 235404, 239499, 268602, 300794, 319332, 402903, 416484, 451191, 478998, 537204, 581971, 601588, 805806, 902382, 957996, 1029641, 1163942, 1353573, 1611612, 1745913, 1804764, 2059282, 2327884, 2707146, 3088923, 3491826, 4118564, 5237739, 5414292, 6177846, 6983652, 9266769, 10475478, 12355692, 13385333, 18533538, 20950956, 26770666, 37067076, 40155999, 53541332, 80311998, 120467997, 160623996, 240935994, 481871988]

約数ペア:

[(1, 481871988), (2, 240935994), (3, 160623996), (4, 120467997), (6, 80311998), (9, 53541332), (12, 40155999), (13, 37067076), (18, 26770666), (23, 20950956), (26, 18533538), (36, 13385333), (39, 12355692), (46, 10475478), (52, 9266769), (69, 6983652), (78, 6177846), (89, 5414292), (92, 5237739), (117, 4118564), (138, 3491826), (156, 3088923), (178, 2707146), (207, 2327884), (234, 2059282), (267, 1804764), (276, 1745913), (299, 1611612), (356, 1353573), (414, 1163942), (468, 1029641), (503, 957996), (534, 902382), (598, 805806), (801, 601588), (828, 581971), (897, 537204), (1006, 478998), (1068, 451191), (1157, 416484), (1196, 402903), (1509, 319332), (1602, 300794), (1794, 268602), (2012, 239499), (2047, 235404), (2314, 208242), (2691, 179068), (3018, 159666), (3204, 150397), (3471, 138828), (3588, 134301), (4094, 117702), (4527, 106444), (4628, 104121), (5382, 89534), (6036, 79833), (6141, 78468), (6539, 73692), (6942, 69414), (8188, 58851), (9054, 53222), (10413, 46276), (10764, 44767), (11569, 41652), (12282, 39234), (13078, 36846), (13884, 34707), (18108, 26611), (18423, 26156), (19617, 24564), (20826, 23138)]