215344220

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{16903}}^1$

素因数の和:16939

約数の個数: 72

約数和(自身を含む): 566554464

約数和(自身を除く): 351210244

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 130, 140, 182, 196, 245, 260, 364, 455, 490, 637, 910, 980, 1274, 1820, 2548, 3185, 6370, 12740, 16903, 33806, 67612, 84515, 118321, 169030, 219739, 236642, 338060, 439478, 473284, 591605, 828247, 878956, 1098695, 1183210, 1538173, 1656494, 2197390, 2366420, 3076346, 3312988, 4141235, 4394780, 6152692, 7690865, 8282470, 10767211, 15381730, 16564940, 21534422, 30763460, 43068844, 53836055, 107672110, 215344220]

約数ペア:

[(1, 215344220), (2, 107672110), (4, 53836055), (5, 43068844), (7, 30763460), (10, 21534422), (13, 16564940), (14, 15381730), (20, 10767211), (26, 8282470), (28, 7690865), (35, 6152692), (49, 4394780), (52, 4141235), (65, 3312988), (70, 3076346), (91, 2366420), (98, 2197390), (130, 1656494), (140, 1538173), (182, 1183210), (196, 1098695), (245, 878956), (260, 828247), (364, 591605), (455, 473284), (490, 439478), (637, 338060), (910, 236642), (980, 219739), (1274, 169030), (1820, 118321), (2548, 84515), (3185, 67612), (6370, 33806), (12740, 16903)]