1640596300

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{197}}^1\times {\mathrm{11897}}^1$

素因数の和:12115

約数の個数: 72

約数和(自身を含む): 4089675744

約数和(自身を除く): 2449079444

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 197, 350, 394, 700, 788, 985, 1379, 1970, 2758, 3940, 4925, 5516, 6895, 9850, 11897, 13790, 19700, 23794, 27580, 34475, 47588, 59485, 68950, 83279, 118970, 137900, 166558, 237940, 297425, 333116, 416395, 594850, 832790, 1189700, 1665580, 2081975, 2343709, 4163950, 4687418, 8327900, 9374836, 11718545, 16405963, 23437090, 32811926, 46874180, 58592725, 65623852, 82029815, 117185450, 164059630, 234370900, 328119260, 410149075, 820298150, 1640596300]

約数ペア:

[(1, 1640596300), (2, 820298150), (4, 410149075), (5, 328119260), (7, 234370900), (10, 164059630), (14, 117185450), (20, 82029815), (25, 65623852), (28, 58592725), (35, 46874180), (50, 32811926), (70, 23437090), (100, 16405963), (140, 11718545), (175, 9374836), (197, 8327900), (350, 4687418), (394, 4163950), (700, 2343709), (788, 2081975), (985, 1665580), (1379, 1189700), (1970, 832790), (2758, 594850), (3940, 416395), (4925, 333116), (5516, 297425), (6895, 237940), (9850, 166558), (11897, 137900), (13790, 118970), (19700, 83279), (23794, 68950), (27580, 59485), (34475, 47588)]