221549440

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2909}}^1$

素因数の和:2952

約数の個数: 128

約数和(自身を含む): 641131200

約数和(自身を除く): 419581760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 56, 64, 68, 70, 80, 85, 112, 119, 128, 136, 140, 160, 170, 224, 238, 272, 280, 320, 340, 448, 476, 544, 560, 595, 640, 680, 896, 952, 1088, 1120, 1190, 1360, 1904, 2176, 2240, 2380, 2720, 2909, 3808, 4480, 4760, 5440, 5818, 7616, 9520, 10880, 11636, 14545, 15232, 19040, 20363, 23272, 29090, 38080, 40726, 46544, 49453, 58180, 76160, 81452, 93088, 98906, 101815, 116360, 162904, 186176, 197812, 203630, 232720, 247265, 325808, 346171, 372352, 395624, 407260, 465440, 494530, 651616, 692342, 791248, 814520, 930880, 989060, 1303232, 1384684, 1582496, 1629040, 1730855, 1861760, 1978120, 2606464, 2769368, 3164992, 3258080, 3461710, 3956240, 5538736, 6329984, 6516160, 6923420, 7912480, 11077472, 13032320, 13846840, 15824960, 22154944, 27693680, 31649920, 44309888, 55387360, 110774720, 221549440]

約数ペア:

[(1, 221549440), (2, 110774720), (4, 55387360), (5, 44309888), (7, 31649920), (8, 27693680), (10, 22154944), (14, 15824960), (16, 13846840), (17, 13032320), (20, 11077472), (28, 7912480), (32, 6923420), (34, 6516160), (35, 6329984), (40, 5538736), (56, 3956240), (64, 3461710), (68, 3258080), (70, 3164992), (80, 2769368), (85, 2606464), (112, 1978120), (119, 1861760), (128, 1730855), (136, 1629040), (140, 1582496), (160, 1384684), (170, 1303232), (224, 989060), (238, 930880), (272, 814520), (280, 791248), (320, 692342), (340, 651616), (448, 494530), (476, 465440), (544, 407260), (560, 395624), (595, 372352), (640, 346171), (680, 325808), (896, 247265), (952, 232720), (1088, 203630), (1120, 197812), (1190, 186176), (1360, 162904), (1904, 116360), (2176, 101815), (2240, 98906), (2380, 93088), (2720, 81452), (2909, 76160), (3808, 58180), (4480, 49453), (4760, 46544), (5440, 40726), (5818, 38080), (7616, 29090), (9520, 23272), (10880, 20363), (11636, 19040), (14545, 15232)]