212920050

素因数分解:

$2^1\times 3^1\times 5^2\times 7^1\times {\mathrm{199}}^1\times {\mathrm{1019}}^1$

素因数の和:1240

約数の個数: 96

約数和(自身を含む): 607104000

約数和(自身を除く): 394183950

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 25, 30, 35, 42, 50, 70, 75, 105, 150, 175, 199, 210, 350, 398, 525, 597, 995, 1019, 1050, 1194, 1393, 1990, 2038, 2786, 2985, 3057, 4179, 4975, 5095, 5970, 6114, 6965, 7133, 8358, 9950, 10190, 13930, 14266, 14925, 15285, 20895, 21399, 25475, 29850, 30570, 34825, 35665, 41790, 42798, 50950, 69650, 71330, 76425, 104475, 106995, 152850, 178325, 202781, 208950, 213990, 356650, 405562, 534975, 608343, 1013905, 1069950, 1216686, 1419467, 2027810, 2838934, 3041715, 4258401, 5069525, 6083430, 7097335, 8516802, 10139050, 14194670, 15208575, 21292005, 30417150, 35486675, 42584010, 70973350, 106460025, 212920050]

約数ペア:

[(1, 212920050), (2, 106460025), (3, 70973350), (5, 42584010), (6, 35486675), (7, 30417150), (10, 21292005), (14, 15208575), (15, 14194670), (21, 10139050), (25, 8516802), (30, 7097335), (35, 6083430), (42, 5069525), (50, 4258401), (70, 3041715), (75, 2838934), (105, 2027810), (150, 1419467), (175, 1216686), (199, 1069950), (210, 1013905), (350, 608343), (398, 534975), (525, 405562), (597, 356650), (995, 213990), (1019, 208950), (1050, 202781), (1194, 178325), (1393, 152850), (1990, 106995), (2038, 104475), (2786, 76425), (2985, 71330), (3057, 69650), (4179, 50950), (4975, 42798), (5095, 41790), (5970, 35665), (6114, 34825), (6965, 30570), (7133, 29850), (8358, 25475), (9950, 21399), (10190, 20895), (13930, 15285), (14266, 14925)]