1871391550

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1$

素因数の和:243

約数の個数: 192

約数和(自身を含む): 4375148544

約数和(自身を除く): 2503756994

約数列:

[1, 2, 5, 7, 10, 14, 23, 25, 35, 37, 46, 50, 61, 70, 74, 103, 115, 122, 161, 175, 185, 206, 230, 259, 305, 322, 350, 370, 427, 515, 518, 575, 610, 721, 805, 851, 854, 925, 1030, 1150, 1295, 1403, 1442, 1525, 1610, 1702, 1850, 2135, 2257, 2369, 2575, 2590, 2806, 3050, 3605, 3811, 4025, 4255, 4270, 4514, 4738, 5150, 5957, 6283, 6475, 7015, 7210, 7622, 8050, 8510, 9821, 10675, 11285, 11845, 11914, 12566, 12950, 14030, 15799, 16583, 18025, 19055, 19642, 21275, 21350, 22570, 23690, 26677, 29785, 31415, 31598, 33166, 35075, 36050, 38110, 42550, 43981, 49105, 51911, 53354, 56425, 59225, 59570, 62830, 70150, 78995, 82915, 87653, 87962, 95275, 98210, 103822, 112850, 118450, 133385, 144509, 148925, 157075, 157990, 165830, 175306, 190550, 219905, 232471, 245525, 259555, 266770, 289018, 297850, 314150, 363377, 394975, 414575, 438265, 439810, 464942, 491050, 519110, 613571, 666925, 722545, 726754, 789950, 829150, 876530, 1011563, 1099525, 1162355, 1227142, 1297775, 1333850, 1445090, 1627297, 1816885, 2023126, 2191325, 2199050, 2324710, 2595550, 3067855, 3254594, 3612725, 3633770, 4382650, 5057815, 5346833, 5811775, 6135710, 7225450, 8136485, 9084425, 10115630, 10693666, 11623550, 15339275, 16272970, 18168850, 25289075, 26734165, 30678550, 37427831, 40682425, 50578150, 53468330, 74855662, 81364850, 133670825, 187139155, 267341650, 374278310, 935695775, 1871391550]

約数ペア:

[(1, 1871391550), (2, 935695775), (5, 374278310), (7, 267341650), (10, 187139155), (14, 133670825), (23, 81364850), (25, 74855662), (35, 53468330), (37, 50578150), (46, 40682425), (50, 37427831), (61, 30678550), (70, 26734165), (74, 25289075), (103, 18168850), (115, 16272970), (122, 15339275), (161, 11623550), (175, 10693666), (185, 10115630), (206, 9084425), (230, 8136485), (259, 7225450), (305, 6135710), (322, 5811775), (350, 5346833), (370, 5057815), (427, 4382650), (515, 3633770), (518, 3612725), (575, 3254594), (610, 3067855), (721, 2595550), (805, 2324710), (851, 2199050), (854, 2191325), (925, 2023126), (1030, 1816885), (1150, 1627297), (1295, 1445090), (1403, 1333850), (1442, 1297775), (1525, 1227142), (1610, 1162355), (1702, 1099525), (1850, 1011563), (2135, 876530), (2257, 829150), (2369, 789950), (2575, 726754), (2590, 722545), (2806, 666925), (3050, 613571), (3605, 519110), (3811, 491050), (4025, 464942), (4255, 439810), (4270, 438265), (4514, 414575), (4738, 394975), (5150, 363377), (5957, 314150), (6283, 297850), (6475, 289018), (7015, 266770), (7210, 259555), (7622, 245525), (8050, 232471), (8510, 219905), (9821, 190550), (10675, 175306), (11285, 165830), (11845, 157990), (11914, 157075), (12566, 148925), (12950, 144509), (14030, 133385), (15799, 118450), (16583, 112850), (18025, 103822), (19055, 98210), (19642, 95275), (21275, 87962), (21350, 87653), (22570, 82915), (23690, 78995), (26677, 70150), (29785, 62830), (31415, 59570), (31598, 59225), (33166, 56425), (35075, 53354), (36050, 51911), (38110, 49105), (42550, 43981)]