2019447780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{193}}^1\times {\mathrm{3559}}^1$

素因数の和:3778

約数の個数: 144

約数和(自身を含む): 6613568640

約数和(自身を除く): 4594120860

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 193, 196, 210, 245, 294, 386, 420, 490, 579, 588, 735, 772, 965, 980, 1158, 1351, 1470, 1930, 2316, 2702, 2895, 2940, 3559, 3860, 4053, 5404, 5790, 6755, 7118, 8106, 9457, 10677, 11580, 13510, 14236, 16212, 17795, 18914, 20265, 21354, 24913, 27020, 28371, 35590, 37828, 40530, 42708, 47285, 49826, 53385, 56742, 71180, 74739, 81060, 94570, 99652, 106770, 113484, 124565, 141855, 149478, 174391, 189140, 213540, 249130, 283710, 298956, 348782, 373695, 498260, 523173, 567420, 686887, 697564, 747390, 871955, 1046346, 1373774, 1494780, 1743910, 2060661, 2092692, 2615865, 2747548, 3434435, 3487820, 4121322, 4808209, 5231730, 6868870, 8242644, 9616418, 10303305, 10463460, 13737740, 14424627, 19232836, 20606610, 24041045, 28849254, 33657463, 41213220, 48082090, 57698508, 67314926, 72123135, 96164180, 100972389, 134629852, 144246270, 168287315, 201944778, 288492540, 336574630, 403889556, 504861945, 673149260, 1009723890, 2019447780]

約数ペア:

[(1, 2019447780), (2, 1009723890), (3, 673149260), (4, 504861945), (5, 403889556), (6, 336574630), (7, 288492540), (10, 201944778), (12, 168287315), (14, 144246270), (15, 134629852), (20, 100972389), (21, 96164180), (28, 72123135), (30, 67314926), (35, 57698508), (42, 48082090), (49, 41213220), (60, 33657463), (70, 28849254), (84, 24041045), (98, 20606610), (105, 19232836), (140, 14424627), (147, 13737740), (193, 10463460), (196, 10303305), (210, 9616418), (245, 8242644), (294, 6868870), (386, 5231730), (420, 4808209), (490, 4121322), (579, 3487820), (588, 3434435), (735, 2747548), (772, 2615865), (965, 2092692), (980, 2060661), (1158, 1743910), (1351, 1494780), (1470, 1373774), (1930, 1046346), (2316, 871955), (2702, 747390), (2895, 697564), (2940, 686887), (3559, 567420), (3860, 523173), (4053, 498260), (5404, 373695), (5790, 348782), (6755, 298956), (7118, 283710), (8106, 249130), (9457, 213540), (10677, 189140), (11580, 174391), (13510, 149478), (14236, 141855), (16212, 124565), (17795, 113484), (18914, 106770), (20265, 99652), (21354, 94570), (24913, 81060), (27020, 74739), (28371, 71180), (35590, 56742), (37828, 53385), (40530, 49826), (42708, 47285)]