28411600

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1$

素因数の和:237

約数の個数: 120

約数和(自身を含む): 79647680

約数和(自身を除く): 51236080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 73, 80, 100, 112, 139, 140, 146, 175, 200, 278, 280, 292, 350, 365, 400, 511, 556, 560, 584, 695, 700, 730, 973, 1022, 1112, 1168, 1390, 1400, 1460, 1825, 1946, 2044, 2224, 2555, 2780, 2800, 2920, 3475, 3650, 3892, 4088, 4865, 5110, 5560, 5840, 6950, 7300, 7784, 8176, 9730, 10147, 10220, 11120, 12775, 13900, 14600, 15568, 19460, 20294, 20440, 24325, 25550, 27800, 29200, 38920, 40588, 40880, 48650, 50735, 51100, 55600, 71029, 77840, 81176, 97300, 101470, 102200, 142058, 162352, 194600, 202940, 204400, 253675, 284116, 355145, 389200, 405880, 507350, 568232, 710290, 811760, 1014700, 1136464, 1420580, 1775725, 2029400, 2841160, 3551450, 4058800, 5682320, 7102900, 14205800, 28411600]

約数ペア:

[(1, 28411600), (2, 14205800), (4, 7102900), (5, 5682320), (7, 4058800), (8, 3551450), (10, 2841160), (14, 2029400), (16, 1775725), (20, 1420580), (25, 1136464), (28, 1014700), (35, 811760), (40, 710290), (50, 568232), (56, 507350), (70, 405880), (73, 389200), (80, 355145), (100, 284116), (112, 253675), (139, 204400), (140, 202940), (146, 194600), (175, 162352), (200, 142058), (278, 102200), (280, 101470), (292, 97300), (350, 81176), (365, 77840), (400, 71029), (511, 55600), (556, 51100), (560, 50735), (584, 48650), (695, 40880), (700, 40588), (730, 38920), (973, 29200), (1022, 27800), (1112, 25550), (1168, 24325), (1390, 20440), (1400, 20294), (1460, 19460), (1825, 15568), (1946, 14600), (2044, 13900), (2224, 12775), (2555, 11120), (2780, 10220), (2800, 10147), (2920, 9730), (3475, 8176), (3650, 7784), (3892, 7300), (4088, 6950), (4865, 5840), (5110, 5560)]