257837850

素因数分解:

$2^1\times 3^3\times 5^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1$

素因数の和:214

約数の個数: 192

約数和(自身を含む): 752808960

約数和(自身を除く): 494971110

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 27, 30, 31, 45, 50, 54, 61, 62, 75, 90, 93, 101, 122, 135, 150, 155, 183, 186, 202, 225, 270, 279, 303, 305, 310, 366, 450, 465, 505, 549, 558, 606, 610, 675, 775, 837, 909, 915, 930, 1010, 1098, 1350, 1395, 1515, 1525, 1550, 1647, 1674, 1818, 1830, 1891, 2325, 2525, 2727, 2745, 2790, 3030, 3050, 3131, 3294, 3782, 4185, 4545, 4575, 4650, 5050, 5454, 5490, 5673, 6161, 6262, 6975, 7575, 8235, 8370, 9090, 9150, 9393, 9455, 11346, 12322, 13635, 13725, 13950, 15150, 15655, 16470, 17019, 18483, 18786, 18910, 20925, 22725, 27270, 27450, 28179, 28365, 30805, 31310, 34038, 36966, 41175, 41850, 45450, 46965, 47275, 51057, 55449, 56358, 56730, 61610, 68175, 78275, 82350, 84537, 85095, 92415, 93930, 94550, 102114, 110898, 136350, 140895, 141825, 154025, 156550, 166347, 169074, 170190, 184830, 190991, 234825, 255285, 277245, 281790, 283650, 308050, 332694, 381982, 422685, 425475, 462075, 469650, 510570, 554490, 572973, 704475, 831735, 845370, 850950, 924150, 954955, 1145946, 1276425, 1386225, 1408950, 1663470, 1718919, 1909910, 2113425, 2552850, 2772450, 2864865, 3437838, 4158675, 4226850, 4774775, 5156757, 5729730, 8317350, 8594595, 9549550, 10313514, 14324325, 17189190, 25783785, 28648650, 42972975, 51567570, 85945950, 128918925, 257837850]

約数ペア:

[(1, 257837850), (2, 128918925), (3, 85945950), (5, 51567570), (6, 42972975), (9, 28648650), (10, 25783785), (15, 17189190), (18, 14324325), (25, 10313514), (27, 9549550), (30, 8594595), (31, 8317350), (45, 5729730), (50, 5156757), (54, 4774775), (61, 4226850), (62, 4158675), (75, 3437838), (90, 2864865), (93, 2772450), (101, 2552850), (122, 2113425), (135, 1909910), (150, 1718919), (155, 1663470), (183, 1408950), (186, 1386225), (202, 1276425), (225, 1145946), (270, 954955), (279, 924150), (303, 850950), (305, 845370), (310, 831735), (366, 704475), (450, 572973), (465, 554490), (505, 510570), (549, 469650), (558, 462075), (606, 425475), (610, 422685), (675, 381982), (775, 332694), (837, 308050), (909, 283650), (915, 281790), (930, 277245), (1010, 255285), (1098, 234825), (1350, 190991), (1395, 184830), (1515, 170190), (1525, 169074), (1550, 166347), (1647, 156550), (1674, 154025), (1818, 141825), (1830, 140895), (1891, 136350), (2325, 110898), (2525, 102114), (2727, 94550), (2745, 93930), (2790, 92415), (3030, 85095), (3050, 84537), (3131, 82350), (3294, 78275), (3782, 68175), (4185, 61610), (4545, 56730), (4575, 56358), (4650, 55449), (5050, 51057), (5454, 47275), (5490, 46965), (5673, 45450), (6161, 41850), (6262, 41175), (6975, 36966), (7575, 34038), (8235, 31310), (8370, 30805), (9090, 28365), (9150, 28179), (9393, 27450), (9455, 27270), (11346, 22725), (12322, 20925), (13635, 18910), (13725, 18786), (13950, 18483), (15150, 17019), (15655, 16470)]