51378250

素因数分解:

$2^1\times 5^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1$

素因数の和:209

約数の個数: 128

約数和(自身を含む): 127775232

約数和(自身を除く): 76396982

約数列:

[1, 2, 5, 7, 10, 11, 14, 17, 22, 25, 34, 35, 50, 55, 70, 77, 85, 110, 119, 125, 154, 157, 170, 175, 187, 238, 250, 275, 314, 350, 374, 385, 425, 550, 595, 770, 785, 850, 875, 935, 1099, 1190, 1309, 1375, 1570, 1727, 1750, 1870, 1925, 2125, 2198, 2618, 2669, 2750, 2975, 3454, 3850, 3925, 4250, 4675, 5338, 5495, 5950, 6545, 7850, 8635, 9350, 9625, 10990, 12089, 13090, 13345, 14875, 17270, 18683, 19250, 19625, 23375, 24178, 26690, 27475, 29359, 29750, 32725, 37366, 39250, 43175, 46750, 54950, 58718, 60445, 65450, 66725, 86350, 93415, 120890, 133450, 137375, 146795, 163625, 186830, 205513, 215875, 274750, 293590, 302225, 327250, 333625, 411026, 431750, 467075, 604450, 667250, 733975, 934150, 1027565, 1467950, 1511125, 2055130, 2335375, 3022250, 3669875, 4670750, 5137825, 7339750, 10275650, 25689125, 51378250]

約数ペア:

[(1, 51378250), (2, 25689125), (5, 10275650), (7, 7339750), (10, 5137825), (11, 4670750), (14, 3669875), (17, 3022250), (22, 2335375), (25, 2055130), (34, 1511125), (35, 1467950), (50, 1027565), (55, 934150), (70, 733975), (77, 667250), (85, 604450), (110, 467075), (119, 431750), (125, 411026), (154, 333625), (157, 327250), (170, 302225), (175, 293590), (187, 274750), (238, 215875), (250, 205513), (275, 186830), (314, 163625), (350, 146795), (374, 137375), (385, 133450), (425, 120890), (550, 93415), (595, 86350), (770, 66725), (785, 65450), (850, 60445), (875, 58718), (935, 54950), (1099, 46750), (1190, 43175), (1309, 39250), (1375, 37366), (1570, 32725), (1727, 29750), (1750, 29359), (1870, 27475), (1925, 26690), (2125, 24178), (2198, 23375), (2618, 19625), (2669, 19250), (2750, 18683), (2975, 17270), (3454, 14875), (3850, 13345), (3925, 13090), (4250, 12089), (4675, 10990), (5338, 9625), (5495, 9350), (5950, 8635), (6545, 7850)]