328804580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1\times {\mathrm{223}}^1$

素因数の和:405

約数の個数: 96

約数和(自身を含む): 768144384

約数和(自身を除く): 439339804

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 53, 65, 106, 107, 130, 212, 214, 223, 260, 265, 428, 446, 530, 535, 689, 892, 1060, 1070, 1115, 1378, 1391, 2140, 2230, 2756, 2782, 2899, 3445, 4460, 5564, 5671, 5798, 6890, 6955, 11342, 11596, 11819, 13780, 13910, 14495, 22684, 23638, 23861, 27820, 28355, 28990, 47276, 47722, 56710, 57980, 59095, 73723, 95444, 113420, 118190, 119305, 147446, 153647, 236380, 238610, 294892, 307294, 310193, 368615, 477220, 614588, 620386, 737230, 768235, 1240772, 1264633, 1474460, 1536470, 1550965, 2529266, 3072940, 3101930, 5058532, 6203860, 6323165, 12646330, 16440229, 25292660, 32880458, 65760916, 82201145, 164402290, 328804580]

約数ペア:

[(1, 328804580), (2, 164402290), (4, 82201145), (5, 65760916), (10, 32880458), (13, 25292660), (20, 16440229), (26, 12646330), (52, 6323165), (53, 6203860), (65, 5058532), (106, 3101930), (107, 3072940), (130, 2529266), (212, 1550965), (214, 1536470), (223, 1474460), (260, 1264633), (265, 1240772), (428, 768235), (446, 737230), (530, 620386), (535, 614588), (689, 477220), (892, 368615), (1060, 310193), (1070, 307294), (1115, 294892), (1378, 238610), (1391, 236380), (2140, 153647), (2230, 147446), (2756, 119305), (2782, 118190), (2899, 113420), (3445, 95444), (4460, 73723), (5564, 59095), (5671, 57980), (5798, 56710), (6890, 47722), (6955, 47276), (11342, 28990), (11596, 28355), (11819, 27820), (13780, 23861), (13910, 23638), (14495, 22684)]