20341787900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{739}}^1\times {\mathrm{39323}}^1$

素因数の和:40083

約数の個数: 72

約数和(自身を含む): 50517183360

約数和(自身を除く): 30175395460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 350, 700, 739, 1478, 2956, 3695, 5173, 7390, 10346, 14780, 18475, 20692, 25865, 36950, 39323, 51730, 73900, 78646, 103460, 129325, 157292, 196615, 258650, 275261, 393230, 517300, 550522, 786460, 983075, 1101044, 1376305, 1966150, 2752610, 3932300, 5505220, 6881525, 13763050, 27526100, 29059697, 58119394, 116238788, 145298485, 203417879, 290596970, 406835758, 581193940, 726492425, 813671516, 1017089395, 1452984850, 2034178790, 2905969700, 4068357580, 5085446975, 10170893950, 20341787900]

約数ペア:

[(1, 20341787900), (2, 10170893950), (4, 5085446975), (5, 4068357580), (7, 2905969700), (10, 2034178790), (14, 1452984850), (20, 1017089395), (25, 813671516), (28, 726492425), (35, 581193940), (50, 406835758), (70, 290596970), (100, 203417879), (140, 145298485), (175, 116238788), (350, 58119394), (700, 29059697), (739, 27526100), (1478, 13763050), (2956, 6881525), (3695, 5505220), (5173, 3932300), (7390, 2752610), (10346, 1966150), (14780, 1376305), (18475, 1101044), (20692, 983075), (25865, 786460), (36950, 550522), (39323, 517300), (51730, 393230), (73900, 275261), (78646, 258650), (103460, 196615), (129325, 157292)]