280123900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{137}}^1$

素因数の和:308

約数の個数: 144

約数和(自身を含む): 735952896

約数和(自身を除く): 455828996

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 25, 28, 35, 46, 50, 70, 92, 100, 115, 127, 137, 140, 161, 175, 230, 254, 274, 322, 350, 460, 508, 548, 575, 635, 644, 685, 700, 805, 889, 959, 1150, 1270, 1370, 1610, 1778, 1918, 2300, 2540, 2740, 2921, 3151, 3175, 3220, 3425, 3556, 3836, 4025, 4445, 4795, 5842, 6302, 6350, 6850, 8050, 8890, 9590, 11684, 12604, 12700, 13700, 14605, 15755, 16100, 17399, 17780, 19180, 20447, 22057, 22225, 23975, 29210, 31510, 34798, 40894, 44114, 44450, 47950, 58420, 63020, 69596, 73025, 78775, 81788, 86995, 88228, 88900, 95900, 102235, 110285, 121793, 146050, 157550, 173990, 204470, 220570, 243586, 292100, 315100, 347980, 400177, 408940, 434975, 441140, 487172, 511175, 551425, 608965, 800354, 869950, 1022350, 1102850, 1217930, 1600708, 1739900, 2000885, 2044700, 2205700, 2435860, 2801239, 3044825, 4001770, 5602478, 6089650, 8003540, 10004425, 11204956, 12179300, 14006195, 20008850, 28012390, 40017700, 56024780, 70030975, 140061950, 280123900]

約数ペア:

[(1, 280123900), (2, 140061950), (4, 70030975), (5, 56024780), (7, 40017700), (10, 28012390), (14, 20008850), (20, 14006195), (23, 12179300), (25, 11204956), (28, 10004425), (35, 8003540), (46, 6089650), (50, 5602478), (70, 4001770), (92, 3044825), (100, 2801239), (115, 2435860), (127, 2205700), (137, 2044700), (140, 2000885), (161, 1739900), (175, 1600708), (230, 1217930), (254, 1102850), (274, 1022350), (322, 869950), (350, 800354), (460, 608965), (508, 551425), (548, 511175), (575, 487172), (635, 441140), (644, 434975), (685, 408940), (700, 400177), (805, 347980), (889, 315100), (959, 292100), (1150, 243586), (1270, 220570), (1370, 204470), (1610, 173990), (1778, 157550), (1918, 146050), (2300, 121793), (2540, 110285), (2740, 102235), (2921, 95900), (3151, 88900), (3175, 88228), (3220, 86995), (3425, 81788), (3556, 78775), (3836, 73025), (4025, 69596), (4445, 63020), (4795, 58420), (5842, 47950), (6302, 44450), (6350, 44114), (6850, 40894), (8050, 34798), (8890, 31510), (9590, 29210), (11684, 23975), (12604, 22225), (12700, 22057), (13700, 20447), (14605, 19180), (15755, 17780), (16100, 17399)]