1687980710

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{3469}}^1$

素因数の和:3705

約数の個数: 64

約数和(自身を含む): 3462782400

約数和(自身を除く): 1774801690

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 197, 247, 394, 494, 985, 1235, 1970, 2470, 2561, 3469, 3743, 5122, 6938, 7486, 12805, 17345, 18715, 25610, 34690, 37430, 45097, 48659, 65911, 90194, 97318, 131822, 225485, 243295, 329555, 450970, 486590, 659110, 683393, 856843, 1366786, 1713686, 3416965, 4284215, 6833930, 8568430, 8884109, 12984467, 17768218, 25968934, 44420545, 64922335, 88841090, 129844670, 168798071, 337596142, 843990355, 1687980710]

約数ペア:

[(1, 1687980710), (2, 843990355), (5, 337596142), (10, 168798071), (13, 129844670), (19, 88841090), (26, 64922335), (38, 44420545), (65, 25968934), (95, 17768218), (130, 12984467), (190, 8884109), (197, 8568430), (247, 6833930), (394, 4284215), (494, 3416965), (985, 1713686), (1235, 1366786), (1970, 856843), (2470, 683393), (2561, 659110), (3469, 486590), (3743, 450970), (5122, 329555), (6938, 243295), (7486, 225485), (12805, 131822), (17345, 97318), (18715, 90194), (25610, 65911), (34690, 48659), (37430, 45097)]