1215691220

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{19013}}^1$

素因数の和:19184

約数の個数: 48

約数和(自身を含む): 2683255680

約数和(自身を除く): 1467564460

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 139, 230, 278, 460, 556, 695, 1390, 2780, 3197, 6394, 12788, 15985, 19013, 31970, 38026, 63940, 76052, 95065, 190130, 380260, 437299, 874598, 1749196, 2186495, 2642807, 4372990, 5285614, 8745980, 10571228, 13214035, 26428070, 52856140, 60784561, 121569122, 243138244, 303922805, 607845610, 1215691220]

約数ペア:

[(1, 1215691220), (2, 607845610), (4, 303922805), (5, 243138244), (10, 121569122), (20, 60784561), (23, 52856140), (46, 26428070), (92, 13214035), (115, 10571228), (139, 8745980), (230, 5285614), (278, 4372990), (460, 2642807), (556, 2186495), (695, 1749196), (1390, 874598), (2780, 437299), (3197, 380260), (6394, 190130), (12788, 95065), (15985, 76052), (19013, 63940), (31970, 38026)]