30651985

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1$

素因数の和:178

約数の個数: 64

約数和(自身を含む): 49351680

約数和(自身を除く): 18699695

約数列:

[1, 5, 7, 13, 23, 29, 35, 65, 91, 101, 115, 145, 161, 203, 299, 377, 455, 505, 667, 707, 805, 1015, 1313, 1495, 1885, 2093, 2323, 2639, 2929, 3335, 3535, 4669, 6565, 8671, 9191, 10465, 11615, 13195, 14645, 16261, 20503, 23345, 30199, 38077, 43355, 45955, 60697, 67367, 81305, 102515, 150995, 190385, 211393, 266539, 303485, 336835, 471569, 875771, 1056965, 1332695, 2357845, 4378855, 6130397, 30651985]

約数ペア:

[(1, 30651985), (5, 6130397), (7, 4378855), (13, 2357845), (23, 1332695), (29, 1056965), (35, 875771), (65, 471569), (91, 336835), (101, 303485), (115, 266539), (145, 211393), (161, 190385), (203, 150995), (299, 102515), (377, 81305), (455, 67367), (505, 60697), (667, 45955), (707, 43355), (805, 38077), (1015, 30199), (1313, 23345), (1495, 20503), (1885, 16261), (2093, 14645), (2323, 13195), (2639, 11615), (2929, 10465), (3335, 9191), (3535, 8671), (4669, 6565)]