201421360

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{51383}}^1$

素因数の和:51410

約数の個数: 60

約数和(自身を含む): 544773168

約数和(自身を除く): 343351808

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 51383, 102766, 205532, 256915, 359681, 411064, 513830, 719362, 822128, 1027660, 1438724, 1798405, 2055320, 2517767, 2877448, 3596810, 4110640, 5035534, 5754896, 7193620, 10071068, 12588835, 14387240, 20142136, 25177670, 28774480, 40284272, 50355340, 100710680, 201421360]

約数ペア:

[(1, 201421360), (2, 100710680), (4, 50355340), (5, 40284272), (7, 28774480), (8, 25177670), (10, 20142136), (14, 14387240), (16, 12588835), (20, 10071068), (28, 7193620), (35, 5754896), (40, 5035534), (49, 4110640), (56, 3596810), (70, 2877448), (80, 2517767), (98, 2055320), (112, 1798405), (140, 1438724), (196, 1027660), (245, 822128), (280, 719362), (392, 513830), (490, 411064), (560, 359681), (784, 256915), (980, 205532), (1960, 102766), (3920, 51383)]