1008020650

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31649}}^1$

素因数の和:31688

約数の個数: 72

約数和(自身を含む): 2348873100

約数和(自身を除く): 1340852450

約数列:

[1, 2, 5, 7, 10, 13, 14, 25, 26, 35, 49, 50, 65, 70, 91, 98, 130, 175, 182, 245, 325, 350, 455, 490, 637, 650, 910, 1225, 1274, 2275, 2450, 3185, 4550, 6370, 15925, 31649, 31850, 63298, 158245, 221543, 316490, 411437, 443086, 791225, 822874, 1107715, 1550801, 1582450, 2057185, 2215430, 2880059, 3101602, 4114370, 5538575, 5760118, 7754005, 10285925, 11077150, 14400295, 15508010, 20160413, 20571850, 28800590, 38770025, 40320826, 72001475, 77540050, 100802065, 144002950, 201604130, 504010325, 1008020650]

約数ペア:

[(1, 1008020650), (2, 504010325), (5, 201604130), (7, 144002950), (10, 100802065), (13, 77540050), (14, 72001475), (25, 40320826), (26, 38770025), (35, 28800590), (49, 20571850), (50, 20160413), (65, 15508010), (70, 14400295), (91, 11077150), (98, 10285925), (130, 7754005), (175, 5760118), (182, 5538575), (245, 4114370), (325, 3101602), (350, 2880059), (455, 2215430), (490, 2057185), (637, 1582450), (650, 1550801), (910, 1107715), (1225, 822874), (1274, 791225), (2275, 443086), (2450, 411437), (3185, 316490), (4550, 221543), (6370, 158245), (15925, 63298), (31649, 31850)]