2204020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{173}}^1$

素因数の和:209

約数の個数: 72

約数和(自身を含む): 5831784

約数和(自身を除く): 3627764

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 130, 140, 173, 182, 196, 245, 260, 346, 364, 455, 490, 637, 692, 865, 910, 980, 1211, 1274, 1730, 1820, 2249, 2422, 2548, 3185, 3460, 4498, 4844, 6055, 6370, 8477, 8996, 11245, 12110, 12740, 15743, 16954, 22490, 24220, 31486, 33908, 42385, 44980, 62972, 78715, 84770, 110201, 157430, 169540, 220402, 314860, 440804, 551005, 1102010, 2204020]

約数ペア:

[(1, 2204020), (2, 1102010), (4, 551005), (5, 440804), (7, 314860), (10, 220402), (13, 169540), (14, 157430), (20, 110201), (26, 84770), (28, 78715), (35, 62972), (49, 44980), (52, 42385), (65, 33908), (70, 31486), (91, 24220), (98, 22490), (130, 16954), (140, 15743), (173, 12740), (182, 12110), (196, 11245), (245, 8996), (260, 8477), (346, 6370), (364, 6055), (455, 4844), (490, 4498), (637, 3460), (692, 3185), (865, 2548), (910, 2422), (980, 2249), (1211, 1820), (1274, 1730)]