203489650

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{6389}}^1$

素因数の和:6428

約数の個数: 72

約数和(自身を含む): 474227460

約数和(自身を除く): 270737810

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, 6389, 12778, 15925, 31850, 31945, 44723, 63890, 83057, 89446, 159725, 166114, 223615, 313061, 319450, 415285, 447230, 581399, 626122, 830570, 1118075, 1162798, 1565305, 2076425, 2236150, 2906995, 3130610, 4069793, 4152850, 5813990, 7826525, 8139586, 14534975, 15653050, 20348965, 29069950, 40697930, 101744825, 203489650]

約数ペア:

[(1, 203489650), (2, 101744825), (5, 40697930), (7, 29069950), (10, 20348965), (13, 15653050), (14, 14534975), (25, 8139586), (26, 7826525), (35, 5813990), (49, 4152850), (50, 4069793), (65, 3130610), (70, 2906995), (91, 2236150), (98, 2076425), (130, 1565305), (175, 1162798), (182, 1118075), (245, 830570), (325, 626122), (350, 581399), (455, 447230), (490, 415285), (637, 319450), (650, 313061), (910, 223615), (1225, 166114), (1274, 159725), (2275, 89446), (2450, 83057), (3185, 63890), (4550, 44723), (6370, 31945), (6389, 31850), (12778, 15925)]