201236945

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{151}}^1$

素因数の和:306

約数の個数: 64

約数和(自身を含む): 312560640

約数和(自身を除く): 111323695

約数列:

[1, 5, 7, 13, 29, 35, 65, 91, 101, 145, 151, 203, 377, 455, 505, 707, 755, 1015, 1057, 1313, 1885, 1963, 2639, 2929, 3535, 4379, 5285, 6565, 9191, 9815, 13195, 13741, 14645, 15251, 20503, 21895, 30653, 38077, 45955, 56927, 68705, 76255, 102515, 106757, 153265, 190385, 198263, 266539, 284635, 398489, 442279, 533785, 991315, 1332695, 1387841, 1992445, 2211395, 3095953, 5749627, 6939205, 15479765, 28748135, 40247389, 201236945]

約数ペア:

[(1, 201236945), (5, 40247389), (7, 28748135), (13, 15479765), (29, 6939205), (35, 5749627), (65, 3095953), (91, 2211395), (101, 1992445), (145, 1387841), (151, 1332695), (203, 991315), (377, 533785), (455, 442279), (505, 398489), (707, 284635), (755, 266539), (1015, 198263), (1057, 190385), (1313, 153265), (1885, 106757), (1963, 102515), (2639, 76255), (2929, 68705), (3535, 56927), (4379, 45955), (5285, 38077), (6565, 30653), (9191, 21895), (9815, 20503), (13195, 15251), (13741, 14645)]