2499804920

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{46327}}^1$

素因数の和:46428

約数の個数: 64

約数和(自身を含む): 6004108800

約数和(自身を除く): 3504303880

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 71, 76, 95, 142, 152, 190, 284, 355, 380, 568, 710, 760, 1349, 1420, 2698, 2840, 5396, 6745, 10792, 13490, 26980, 46327, 53960, 92654, 185308, 231635, 370616, 463270, 880213, 926540, 1760426, 1853080, 3289217, 3520852, 4401065, 6578434, 7041704, 8802130, 13156868, 16446085, 17604260, 26313736, 32892170, 35208520, 62495123, 65784340, 124990246, 131568680, 249980492, 312475615, 499960984, 624951230, 1249902460, 2499804920]

約数ペア:

[(1, 2499804920), (2, 1249902460), (4, 624951230), (5, 499960984), (8, 312475615), (10, 249980492), (19, 131568680), (20, 124990246), (38, 65784340), (40, 62495123), (71, 35208520), (76, 32892170), (95, 26313736), (142, 17604260), (152, 16446085), (190, 13156868), (284, 8802130), (355, 7041704), (380, 6578434), (568, 4401065), (710, 3520852), (760, 3289217), (1349, 1853080), (1420, 1760426), (2698, 926540), (2840, 880213), (5396, 463270), (6745, 370616), (10792, 231635), (13490, 185308), (26980, 92654), (46327, 53960)]