31213300

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{331}}^1$

素因数の和:409

約数の個数: 72

約数和(自身を含む): 72620352

約数和(自身を除く): 41407052

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 41, 46, 50, 82, 92, 100, 115, 164, 205, 230, 331, 410, 460, 575, 662, 820, 943, 1025, 1150, 1324, 1655, 1886, 2050, 2300, 3310, 3772, 4100, 4715, 6620, 7613, 8275, 9430, 13571, 15226, 16550, 18860, 23575, 27142, 30452, 33100, 38065, 47150, 54284, 67855, 76130, 94300, 135710, 152260, 190325, 271420, 312133, 339275, 380650, 624266, 678550, 761300, 1248532, 1357100, 1560665, 3121330, 6242660, 7803325, 15606650, 31213300]

約数ペア:

[(1, 31213300), (2, 15606650), (4, 7803325), (5, 6242660), (10, 3121330), (20, 1560665), (23, 1357100), (25, 1248532), (41, 761300), (46, 678550), (50, 624266), (82, 380650), (92, 339275), (100, 312133), (115, 271420), (164, 190325), (205, 152260), (230, 135710), (331, 94300), (410, 76130), (460, 67855), (575, 54284), (662, 47150), (820, 38065), (943, 33100), (1025, 30452), (1150, 27142), (1324, 23575), (1655, 18860), (1886, 16550), (2050, 15226), (2300, 13571), (3310, 9430), (3772, 8275), (4100, 7613), (4715, 6620)]