129987200

素因数分解:

$2^7\times 5^2\times 7^2\times {\mathrm{829}}^1$

素因数の和:867

約数の個数: 144

約数和(自身を含む): 373985550

約数和(自身を除く): 243998350

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 49, 50, 56, 64, 70, 80, 98, 100, 112, 128, 140, 160, 175, 196, 200, 224, 245, 280, 320, 350, 392, 400, 448, 490, 560, 640, 700, 784, 800, 829, 896, 980, 1120, 1225, 1400, 1568, 1600, 1658, 1960, 2240, 2450, 2800, 3136, 3200, 3316, 3920, 4145, 4480, 4900, 5600, 5803, 6272, 6632, 7840, 8290, 9800, 11200, 11606, 13264, 15680, 16580, 19600, 20725, 22400, 23212, 26528, 29015, 31360, 33160, 39200, 40621, 41450, 46424, 53056, 58030, 66320, 78400, 81242, 82900, 92848, 106112, 116060, 132640, 145075, 156800, 162484, 165800, 185696, 203105, 232120, 265280, 290150, 324968, 331600, 371392, 406210, 464240, 530560, 580300, 649936, 663200, 742784, 812420, 928480, 1015525, 1160600, 1299872, 1326400, 1624840, 1856960, 2031050, 2321200, 2599744, 2652800, 3249680, 3713920, 4062100, 4642400, 5199488, 6499360, 8124200, 9284800, 12998720, 16248400, 18569600, 25997440, 32496800, 64993600, 129987200]

約数ペア:

[(1, 129987200), (2, 64993600), (4, 32496800), (5, 25997440), (7, 18569600), (8, 16248400), (10, 12998720), (14, 9284800), (16, 8124200), (20, 6499360), (25, 5199488), (28, 4642400), (32, 4062100), (35, 3713920), (40, 3249680), (49, 2652800), (50, 2599744), (56, 2321200), (64, 2031050), (70, 1856960), (80, 1624840), (98, 1326400), (100, 1299872), (112, 1160600), (128, 1015525), (140, 928480), (160, 812420), (175, 742784), (196, 663200), (200, 649936), (224, 580300), (245, 530560), (280, 464240), (320, 406210), (350, 371392), (392, 331600), (400, 324968), (448, 290150), (490, 265280), (560, 232120), (640, 203105), (700, 185696), (784, 165800), (800, 162484), (829, 156800), (896, 145075), (980, 132640), (1120, 116060), (1225, 106112), (1400, 92848), (1568, 82900), (1600, 81242), (1658, 78400), (1960, 66320), (2240, 58030), (2450, 53056), (2800, 46424), (3136, 41450), (3200, 40621), (3316, 39200), (3920, 33160), (4145, 31360), (4480, 29015), (4900, 26528), (5600, 23212), (5803, 22400), (6272, 20725), (6632, 19600), (7840, 16580), (8290, 15680), (9800, 13264), (11200, 11606)]