28474880

素因数分解:

$2^9\times 5^1\times 7^2\times {\mathrm{227}}^1$

素因数の和:264

約数の個数: 120

約数和(自身を含む): 79769448

約数和(自身を除く): 51294568

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 227, 245, 256, 280, 320, 392, 448, 454, 490, 512, 560, 640, 784, 896, 908, 980, 1120, 1135, 1280, 1568, 1589, 1792, 1816, 1960, 2240, 2270, 2560, 3136, 3178, 3584, 3632, 3920, 4480, 4540, 6272, 6356, 7264, 7840, 7945, 8960, 9080, 11123, 12544, 12712, 14528, 15680, 15890, 17920, 18160, 22246, 25088, 25424, 29056, 31360, 31780, 36320, 44492, 50848, 55615, 58112, 62720, 63560, 72640, 88984, 101696, 111230, 116224, 125440, 127120, 145280, 177968, 203392, 222460, 254240, 290560, 355936, 406784, 444920, 508480, 581120, 711872, 813568, 889840, 1016960, 1423744, 1779680, 2033920, 2847488, 3559360, 4067840, 5694976, 7118720, 14237440, 28474880]

約数ペア:

[(1, 28474880), (2, 14237440), (4, 7118720), (5, 5694976), (7, 4067840), (8, 3559360), (10, 2847488), (14, 2033920), (16, 1779680), (20, 1423744), (28, 1016960), (32, 889840), (35, 813568), (40, 711872), (49, 581120), (56, 508480), (64, 444920), (70, 406784), (80, 355936), (98, 290560), (112, 254240), (128, 222460), (140, 203392), (160, 177968), (196, 145280), (224, 127120), (227, 125440), (245, 116224), (256, 111230), (280, 101696), (320, 88984), (392, 72640), (448, 63560), (454, 62720), (490, 58112), (512, 55615), (560, 50848), (640, 44492), (784, 36320), (896, 31780), (908, 31360), (980, 29056), (1120, 25424), (1135, 25088), (1280, 22246), (1568, 18160), (1589, 17920), (1792, 15890), (1816, 15680), (1960, 14528), (2240, 12712), (2270, 12544), (2560, 11123), (3136, 9080), (3178, 8960), (3584, 7945), (3632, 7840), (3920, 7264), (4480, 6356), (4540, 6272)]