198881200

素因数分解:

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

素因数の和:244

約数の個数: 180

約数和(自身を含む): 567489720

約数和(自身を除く): 368608520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 49, 50, 56, 70, 73, 80, 98, 100, 112, 139, 140, 146, 175, 196, 200, 245, 278, 280, 292, 350, 365, 392, 400, 490, 511, 556, 560, 584, 695, 700, 730, 784, 973, 980, 1022, 1112, 1168, 1225, 1390, 1400, 1460, 1825, 1946, 1960, 2044, 2224, 2450, 2555, 2780, 2800, 2920, 3475, 3577, 3650, 3892, 3920, 4088, 4865, 4900, 5110, 5560, 5840, 6811, 6950, 7154, 7300, 7784, 8176, 9730, 9800, 10147, 10220, 11120, 12775, 13622, 13900, 14308, 14600, 15568, 17885, 19460, 19600, 20294, 20440, 24325, 25550, 27244, 27800, 28616, 29200, 34055, 35770, 38920, 40588, 40880, 48650, 50735, 51100, 54488, 55600, 57232, 68110, 71029, 71540, 77840, 81176, 89425, 97300, 101470, 102200, 108976, 136220, 142058, 143080, 162352, 170275, 178850, 194600, 202940, 204400, 253675, 272440, 284116, 286160, 340550, 355145, 357700, 389200, 405880, 497203, 507350, 544880, 568232, 681100, 710290, 715400, 811760, 994406, 1014700, 1136464, 1362200, 1420580, 1430800, 1775725, 1988812, 2029400, 2486015, 2724400, 2841160, 3551450, 3977624, 4058800, 4972030, 5682320, 7102900, 7955248, 9944060, 12430075, 14205800, 19888120, 24860150, 28411600, 39776240, 49720300, 99440600, 198881200]

約数ペア:

[(1, 198881200), (2, 99440600), (4, 49720300), (5, 39776240), (7, 28411600), (8, 24860150), (10, 19888120), (14, 14205800), (16, 12430075), (20, 9944060), (25, 7955248), (28, 7102900), (35, 5682320), (40, 4972030), (49, 4058800), (50, 3977624), (56, 3551450), (70, 2841160), (73, 2724400), (80, 2486015), (98, 2029400), (100, 1988812), (112, 1775725), (139, 1430800), (140, 1420580), (146, 1362200), (175, 1136464), (196, 1014700), (200, 994406), (245, 811760), (278, 715400), (280, 710290), (292, 681100), (350, 568232), (365, 544880), (392, 507350), (400, 497203), (490, 405880), (511, 389200), (556, 357700), (560, 355145), (584, 340550), (695, 286160), (700, 284116), (730, 272440), (784, 253675), (973, 204400), (980, 202940), (1022, 194600), (1112, 178850), (1168, 170275), (1225, 162352), (1390, 143080), (1400, 142058), (1460, 136220), (1825, 108976), (1946, 102200), (1960, 101470), (2044, 97300), (2224, 89425), (2450, 81176), (2555, 77840), (2780, 71540), (2800, 71029), (2920, 68110), (3475, 57232), (3577, 55600), (3650, 54488), (3892, 51100), (3920, 50735), (4088, 48650), (4865, 40880), (4900, 40588), (5110, 38920), (5560, 35770), (5840, 34055), (6811, 29200), (6950, 28616), (7154, 27800), (7300, 27244), (7784, 25550), (8176, 24325), (9730, 20440), (9800, 20294), (10147, 19600), (10220, 19460), (11120, 17885), (12775, 15568), (13622, 14600), (13900, 14308)]