2018457700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{179}}^1\times {\mathrm{181}}^1$

素因数の和:470

約数の個数: 144

約数和(自身を含む): 5118422400

約数和(自身を除く): 3099964700

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 89, 100, 140, 175, 178, 179, 181, 350, 356, 358, 362, 445, 623, 700, 716, 724, 890, 895, 905, 1246, 1253, 1267, 1780, 1790, 1810, 2225, 2492, 2506, 2534, 3115, 3580, 3620, 4450, 4475, 4525, 5012, 5068, 6230, 6265, 6335, 8900, 8950, 9050, 12460, 12530, 12670, 15575, 15931, 16109, 17900, 18100, 25060, 25340, 31150, 31325, 31675, 31862, 32218, 32399, 62300, 62650, 63350, 63724, 64436, 64798, 79655, 80545, 111517, 112763, 125300, 126700, 129596, 159310, 161090, 161995, 223034, 225526, 226793, 318620, 322180, 323990, 398275, 402725, 446068, 451052, 453586, 557585, 563815, 647980, 796550, 805450, 809975, 907172, 1115170, 1127630, 1133965, 1593100, 1610900, 1619950, 2230340, 2255260, 2267930, 2787925, 2819075, 2883511, 3239900, 4535860, 5575850, 5638150, 5669825, 5767022, 11151700, 11276300, 11339650, 11534044, 14417555, 20184577, 22679300, 28835110, 40369154, 57670220, 72087775, 80738308, 100922885, 144175550, 201845770, 288351100, 403691540, 504614425, 1009228850, 2018457700]

約数ペア:

[(1, 2018457700), (2, 1009228850), (4, 504614425), (5, 403691540), (7, 288351100), (10, 201845770), (14, 144175550), (20, 100922885), (25, 80738308), (28, 72087775), (35, 57670220), (50, 40369154), (70, 28835110), (89, 22679300), (100, 20184577), (140, 14417555), (175, 11534044), (178, 11339650), (179, 11276300), (181, 11151700), (350, 5767022), (356, 5669825), (358, 5638150), (362, 5575850), (445, 4535860), (623, 3239900), (700, 2883511), (716, 2819075), (724, 2787925), (890, 2267930), (895, 2255260), (905, 2230340), (1246, 1619950), (1253, 1610900), (1267, 1593100), (1780, 1133965), (1790, 1127630), (1810, 1115170), (2225, 907172), (2492, 809975), (2506, 805450), (2534, 796550), (3115, 647980), (3580, 563815), (3620, 557585), (4450, 453586), (4475, 451052), (4525, 446068), (5012, 402725), (5068, 398275), (6230, 323990), (6265, 322180), (6335, 318620), (8900, 226793), (8950, 225526), (9050, 223034), (12460, 161995), (12530, 161090), (12670, 159310), (15575, 129596), (15931, 126700), (16109, 125300), (17900, 112763), (18100, 111517), (25060, 80545), (25340, 79655), (31150, 64798), (31325, 64436), (31675, 63724), (31862, 63350), (32218, 62650), (32399, 62300)]