165720100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{18211}}^1$

素因数の和:18245

約数の個数: 72

約数和(自身を含む): 442624448

約数和(自身を除く): 276904348

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 35, 50, 52, 65, 70, 91, 100, 130, 140, 175, 182, 260, 325, 350, 364, 455, 650, 700, 910, 1300, 1820, 2275, 4550, 9100, 18211, 36422, 72844, 91055, 127477, 182110, 236743, 254954, 364220, 455275, 473486, 509908, 637385, 910550, 946972, 1183715, 1274770, 1657201, 1821100, 2367430, 2549540, 3186925, 3314402, 4734860, 5918575, 6373850, 6628804, 8286005, 11837150, 12747700, 16572010, 23674300, 33144020, 41430025, 82860050, 165720100]

約数ペア:

[(1, 165720100), (2, 82860050), (4, 41430025), (5, 33144020), (7, 23674300), (10, 16572010), (13, 12747700), (14, 11837150), (20, 8286005), (25, 6628804), (26, 6373850), (28, 5918575), (35, 4734860), (50, 3314402), (52, 3186925), (65, 2549540), (70, 2367430), (91, 1821100), (100, 1657201), (130, 1274770), (140, 1183715), (175, 946972), (182, 910550), (260, 637385), (325, 509908), (350, 473486), (364, 455275), (455, 364220), (650, 254954), (700, 236743), (910, 182110), (1300, 127477), (1820, 91055), (2275, 72844), (4550, 36422), (9100, 18211)]